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Cuillin
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The Cuillin (Scottish Gaelic: An Cuiltheann)[2] is a range of mostly jagged rocky mountains on the Isle of Skye in Scotland. The main Cuillin ridge is also called the Black Cuillin[3] to distinguish it from the Red Cuillin (na Beanntan Dearga), which lie to the east of Glen Sligachan.[4]
Key Information
The peaks of the Black Cuillin are mainly composed of gabbro, a very rough igneous rock which provides a superb grip for mountaineers; and basalt, which can be very slippery when wet.[3] The rocks forming the ridge of the Black Cuillin (and outliers such Blà Bheinn) are dark, particularly in the shade, but when in sunlight the Black Cuillin can appear grey to brown.[5] The main ridge forms a narrow crest, with steep cliffs and scree slopes.[6] The ridge is about 14 kilometres (8+1⁄2 miles) long (from Gars-bheinn in the south to Sgùrr nan Gillean in the northeast), and curves in an irregular semi-circle around Loch Coruisk, which lies at the heart of the range.[7][6] The highest point of the Cuillin, and of the Isle of Skye, is Sgùrr Alasdair in the Black Cuillin at 992 m (3,255 ft).[3]
The Red Cuillin are mainly composed of granite, which is paler than the gabbro (with a reddish tinge from some angles in some lights) and has weathered into more rounded hills with vegetation cover to summit level and long scree slopes on their flanks. These hills are lower and, being less rocky, have fewer scrambles or climbs.[5] The highest point of the red hills is Glamaig at 775 m (2,543 ft), one of only two Corbetts on Skye (the other being Garbh-bheinn, part of the small group of gabbro outliers surrounding Blà Bheinn).[8]
The scenic beauty of the Cuillin has led to it being designated a national scenic area,[9] one of forty such areas in Scotland.[10] A Scottish Natural Heritage review of the special qualities of the Cuillin stated:
The mountains rise up dramatically from the sea creating formidable, enclosed sea lochs, with the absence of foothills enhancing their vast scale. Many iconic views of Scotland are centred here, whether Sgurr nan Gillean soaring above Sligachan, Loch Scavaig and the Cuillin ridge from Elgol, or Bla Bheinn above Torrin.
— Scottish Natural Heritage[5]
Etymology
[edit]
There are several theories about the derivation of the name 'Cuillin'. One suggestion is that it comes from the Old Norse word kjölen, which literally means the keel of a boat, suggesting a similarity with an upturned Viking longship. Peter Drummond, in Scottish Hill and Mountain Names (1991), noted that this is also a name of the Scandinavian Mountains and says it can mean 'high rocky mountain'.[11] Drummond later considered the Irish placename element cuilleann, meaning 'a steep slope', which is found in mountain names such as Slieve Gullion. However, he pointed out that the element is rare, and that most mountain names around Skye come from Norse.[12] Another suggestion is that it comes from Gaelic cuilionn, meaning 'holly', because of the mountains' jagged shape.[11] The name has also been linked to Gaelic mythology, with the hills being the place where Cúchullin learnt archery from the female warrior Scáthach.[5]
Natural history
[edit]The Cuillin are a diverse and complex geological landscape, and there is a clear distinction visible between the two mountain types.[5] The mountains formed from the remains of the magma chambers which fed volcanic eruptions.[13] In the Black Cuillin the rocks cooled to form gabbro, the coarse-grained rock that makes up much of the range. Cracks and fissures in the rock provided pathways for later magma intrusions, leading to dykes of basalt which are commonly seen across Skye.[13] The Red Cuillin also have volcanic origins, being formed from a later intrusion of acidic, granitic rock.[5] This granite was more uniformly eroded by wind and water than the gabbro and basalt, causing the red hills to have smoother outlines.[13]
The Cuillin provide classic examples of glacial topography and were the subject of an early published account by James Forbes in 1846 (who had become a fellow of the Royal Society of Edinburgh aged only nineteen).[14][15] He partnered Louis Agassiz on his trip to Scotland in 1840 and although they subsequently argued, Forbes went on to publish other important papers on Alpine glaciers.[16] In 1904 Alfred Harker published The Tertiary Igneous Rocks of Skye, the first detailed scientific study of an extinct volcano.[17][18]
The Cuillin encompasses a wide range of habitats, changing with altitude. At the base there are conifer plantations, coastal woodlands and areas of heather moorland and rough grassland. The lower slopes are covered by various different types of bog, with grassland on the better-drained slopes that are found above 400 m (1,300 ft). Higher up, the rocky hills are largely bare, with exposed rock and scree.[6] The entire area is designated as a Special Protection Area under the Natura 2000 programme due particularly for its importance to golden eagles. The site is of European importance for these birds, and holds one of the highest-density populations in Britain, having an unusually high breeding productivity.[6] Eleven pairs were estimated in 1992; this representing about 3% of the breeding population in Great Britain at that time.[6]
The Cuillin are protected as a national scenic area, defined so as to identify areas of exceptional scenery and to ensure its protection from inappropriate development.[10] The areas protected by the designation are considered to represent the type of scenic beauty "popularly associated with Scotland and for which it is renowned".[19] The Cuillin Hills National Scenic Area covers 27,320 hectares (67,500 acres), of which 22,726 ha (56,160 acres) is on land, with a further 4,594 ha (11,350 acres) being marine (i.e. below low tide level).[1]
History
[edit]
Due to the rocky nature of the Cuillin they have historically been of little use for agriculture: this contrasts with the majority of the highlands, where the hills were used to provide seasonal grazing for cattle and sheep. Despite the lack of earlier human presence in the hills themselves, there is much evidence of historic settlement in the surrounding glens, with prehistoric hut circles found in Glenbrittle,[20] and a stone circle identified in Glen Sligachan.[21] Rubha an Dùnain, an uninhabited peninsula to the south of the main ridge, has a variety of archaeological sites dating from the Neolithic onwards. There is a 2nd or 3rd millennium BC chambered cairn, an Iron Age promontory fort and the remains of another prehistoric settlement dating from the Bronze Age nearby. Loch na h-Airde on the peninsula is linked to the sea by an artificial "Viking" canal that may date from the later period of Norse settlement.[22][23]
The Norse held sway throughout the Hebrides from the 9th century until after the Treaty of Perth in 1266. In the post–Norse period the most powerful clans on Skye were Clan MacLeod, originally based in Trotternish, and Clan Macdonald of Sleat. Following the disintegration of the Lordship of the Isles, the Mackinnons also emerged as an independent clan, whose substantial landholdings in Skye were centred on Strathaird.[24] The MacDonalds and the MacLeods were bitter rivals, and two major battles of this period were fought between the clans at Harta Corrie and Coire Na Creich in the Cuillin:
- In 1395 a force of MacDonald clansmen landed at Loch Eynort, and headed north along Glen Sligachan, intending to invade MacLeod land.[25] They were met by a force of MacLeods at Harta Corrie, below Sgùrr nan Gillean at the head of Glen Sligachan.[26] The battle was a victory for the MacDonalds, who "fought the entire day till not one Macleod was left, and the bodies of the slain were piled round the base of a huge rock, topped by a Rowan tree and still called the 'Bloody Stone'" according to MEM Donaldson.[27]
- The Battle of Coire Na Creiche, the last Scottish clan battle fought on Skye, was fought on the slopes below Bruach na Frìthe, near the head of Glenbrittle in 1601. The MacDonalds of Sleat defeated the MacLeods after a bitter feud.[28]
Boswell and Johnson visited Skye during their tour of the Western Isles in 1773, and observed snow falling on the summits of the range in September.[29] Boswell described the Cuillin as "a prodigious range of mountains, capped with rocks like pinnacles in a strange variety of shapes".[29]
Uniquely for a group of Scottish mountains there are no records of the majority of the Cuillin summits having been climbed prior to the start of mountaineering as a leisure activity in the Victorian era,[30] a situation reflected in the fact that around half the summits had no recorded name prior to this period, although names for corries and other features were in existence.[31] Many of the summits are thus named after early climbers such as John MacKenzie (Sgùrr MhicChoinnich), Alexander Nicolson (Sgùrr Alasdair), and Norman Collie (Sgùrr Thormaid).[3]
Ownership
[edit]The Cuillin now consists of two estates divided by Glen Sligachan.[32] The hills on the west side of Glen Sligachan (the Black Cuillin) remained the property of Clan MacLeod despite the long history of conflict between them and Clan MacDonald. The earliest formal record of MacLeod ownership was in a land grant from the Crown in 1611.[33] In 2000 the Cuillin were put on sale for £10 million by the clan chief, John MacLeod of MacLeod, in a scheme of land in exchange for repairs to Dunvegan Castle,[34] however there was a dispute over ownership, as opponents of the sale argued that the charter referred to the MacLeod's Tables which stand across the loch from Dunvegan Castle and not to the Cuillin themselves. A deal was cut for the property to be gifted in return for repairs to the clan castle,[34] although it later fell through, with opponents arguing that the cost was out of proportion compared to other equivalent land sales.[33] Following the death of John MacLeod in 2007 his successor, Hugh Magnus MacLeod of MacLeod, found alternative funding sources, and as of 2017 ownership of the main range remains in the MacLeod family.[33] However, the ownership rights of the Black Cuillins by the MacLeods remains controversial.[35]
The Strathaird, Torrin and Sconser Estate lies on the eastern side of Glen Sligachan, encompassing the Red Cuillin and Bla Bheinn: it is owned by the John Muir Trust,[36] a charity that seeks to protect and enhance wild places.[37] Strathaird Estate was formerly owned by musician Ian Anderson, the frontman for Jethro Tull, who sold the estate to the trust in 1994, for around £750,000.[38]
Climbing and hillwalking
[edit]
The summits of the Cuillin are bare rock, jagged in outline and with steep cliffs and deep cut corries and gullies. Twelve Black Cuillin peaks are listed as Munros, though one of them, Blaven, is part of a group of outliers separated from the main ridge by Glen Sligachan.[3]
The scrambler can access most of the individual peaks by their easiest routes. Only the Inaccessible Pinnacle is a graded rock climb (Moderate) by its simplest line but several of the other summits require scrambling skills. Navigation on the ridge is difficult due to jagged terrain and magnetic abnormalities that make compass reading unreliable.[3] The majority of scramblers heading on to the Black Cuillin do so via routes from Glenbrittle (where there is a campsite and a youth hostel) or Sligachan for the northern peaks: due to the remoteness of Loch Coruisk, which can only be reached by boat or a c. 10 km (6.2 mi) walk from Elgol, routes starting from this side are less frequented.[3]

In addition to climbing individual peaks, there is the challenge of a full mountain traverse of the main Black Cuillin ridge. Although only 11 km (7 mi) in length, the average traverse is likely to take 15–20 hours from sea level at Glenbrittle to the bar of the Sligachan Hotel, owing to the difficulty of the terrain and route-finding problems. The first recorded traverse in under 24 hours was on 10 June 1911 by Leslie Shadbolt and Alastair C. McLaren, in 12 hours 18 minutes top to top[39] (16.75 hours in total[40]). The record for the full traverse, set by Finlay Wild in October 2013, stands at 2 hours, 59 minutes and 22 seconds[41] (though this time is from Gars-bheinn to Sgùrr nan Gillean and does not include the initial ascent from Glenbrittle or the final descent to Sligachan).[42] A further issue for those attempting the full traverse is the fact that there are no natural sources of water on the ridge (except for winter snows and melt water), although there are a few high burns just off the main ridge from which water can be obtained.[43]
Some believe the ultimate mountaineering experience of the UK is the full traverse of the Cuillin Ridge, especially under winter conditions.[44][45] The Isle of Skye's position in the warm Gulf Stream makes genuine winter conditions rare, and the very short winter days probably make a 24-hour traverse impractical. The first recorded, over two days, was in 1965 by D. Crabbe, B. Robertson, T. Patey and H. MacInnes.[46]
A longer challenge, known as the "Greater Traverse" includes all the Skye Munros, though omitting some gabbro outliers: this involves continuing on to Clach Glas and Blaven totalling some 20 km (12 mi) distance and 4,000 m (13,000 ft) ascent. This traverse was first done independently by two parties, in the summer of 1939, with I. Charleson and W. Forde claiming precedence over W. H. Murray & R. G. Donaldon a few weeks later (see W. H. Murray's book[47] for details of his traverse).[48]
Extending the Greater Traverse even further is the Cuillin Round. This takes in most of the major peaks of the Black and Red Cuillin, totalling 54 km (34 mi), 7,000 m (23,000 ft) ascent and 12 Munros. The fastest time of 16 hours 46 minutes was set by Mark Shaw in 2002.[48]
The Trans Cuillin Challenge is yet to be completed in under 24 hours. It is an east-west traverse of every Cuillin top between Gars-bheinn and Beinn na Caillich, totalling some 61 km (38 mi), 9,000 m (30,000 ft) ascent and 70 tops.[48]
List of summits
[edit]The list below shows all the Munros, Corbetts and Grahams of the Cuillin. It, therefore, excludes peaks such as Clach Glas, which do not meet the criteria for these hill listings.
| Summit | Range | Classification | Absolute height (m) | Relative height (m) | Grade of easiest route | Easiest route(s) |
|---|---|---|---|---|---|---|
| Sgùrr nan Gillean | Black Cuillin | Munro | 964 | c. 204 | Grade 3 scramble | South-east ridge[3] |
| Am Basteir | Black Cuillin | Munro | 934 | c. 55 | Grade 2 scramble | East ridge avoiding the "Broken Step" on the left[3] |
| Bruach na Frìthe | Black Cuillin | Munro | 958 | c. 125 | Walk | Ascent via Fionn Choire[3] |
| Sgùrr a' Mhadaidh | Black Cuillin | Munro | 918 | c. 71 | Grade 2/3 scramble | North-west or south ridges[3] |
| Sgùrr a' Ghreadaidh | Black Cuillin | Munro | 973 | c. 123 | Grade 3 scramble | North ridge[3] |
| Sgùrr na Banachdaich | Black Cuillin | Munro | 965 | c. 114 | Walk | Ascent via Coire nan Eich[3] |
| Inaccessible Pinnacle (Sgùrr Dearg) | Black Cuillin | Munro | 986 | 182 | Moderate rock climb | East ridge of Inaccessible Pinnacle[3] |
| Sgùrr MhicChoinnich | Black Cuillin | Munro | 948 | c. 56 | Grade 2 scramble | North ridge[3] |
| Sgùrr Alasdair | Black Cuillin | Munro | 992 | 992 | Grade 2 scramble | North-east ridge from top of Great Stone Chute[3] |
| Sgùrr Dubh Mòr | Black Cuillin | Munro | 944 | c. 89 | Grade 2 scramble | From Coir' a' Ghrunnda[3] |
| Sgùrr nan Eag | Black Cuillin | Munro | 924 | c. 127 | Grade 1/2 scramble | From Coir' a' Ghrunnda[3] |
| Blà Bheinn | Outlier (Blaven group) | Munro | 928 | 301 | Walk | Ascent via Coire Uaigneis[3] |
| Garbh-bheinn | Outlier (Blaven group) | Corbett | 808 | 172 | Walk | From head of Loch Ainort[8] |
| Glamaig | Red Cuillin | Corbett | 775 | c. 480 | Walk | From Sligachan[8] |
| Marsco | Red Cuillin | Graham | 736 | 413 | Walk | From Sligachan[4] |
| Beinn Dearg Mhòr | Red Cuillin | Graham | 731 | 152 | Walk | From Sligachan[4] |
| Belig | Red Cuillin | Graham | 702 | 246 | Walk | From head of Loch Ainort[4] |
Cultural references
[edit]- The Cuillin is a key thematic device in the Gaelic-language family film Seachd: The Inaccessible Pinnacle.[49]
- One of Sorley MacLean's best known poems is the epic An Cuillithionn ("The Cuillin").[50]
- The song "The Road to the Isles" mentions the Cuillin in the first verse and in each chorus.
- The murder mystery novel Wildfire at Midnight by Mary Stewart is set in and around the Cuillin.[citation needed]
- The spy novel Mr Standfast by John Buchan has a chapter set around The Cuillin ("Coolins" in the book).
- The Inaccessible Pinnacle is the scene of a death in Val McDermid's Trick of the Dark.[citation needed]
- In the 2012 film Prometheus, archaeologists discover an ancient petroglyph star map on the Isle of Skye in the Cuillin Hills.
- The 2012 film Brave contains a song which refers to a legendary bear being "bigger than a Cuillin".[citation needed]
- In Jethro Tull's song "Broadford Bazaar", reference is made to "wee plastic Cuillins".[51]
- The Black Cuillin Traverse is featured in episode 2 of Running Wild with Bear Grylls.[citation needed]
- Trials cyclist Danny MacAskill, who grew up on the Isle of Skye, filmed the mountain bike edit The Ridge on the Cuillin.[52]
- The Truth Is a Cave in the Black Mountains, an illustrated novella by Neil Gaiman and Eddie Campbell, features a legendary cave of gold in the Black Cuillin.[citation needed]
- There is a legend that the Cuillin are haunted by the ghost of an outlaw called MacRaing.[53]
Gallery
[edit]
-
The Black Cuillin seen from Elgol
-
The north Cuillin viewed from Portree
-
Blà Bheinn from Loch Slapin
-
The Black Cuillin viewed from Loch Scavaig
-
Loch Coruisk in the Cuillin
-
Sgùrr nan Gillean
-
Sgùrr Alasdair, the highest peak
-
The 'Inaccessible Pinnacle', with climbers on the summit of Sgùrr Dearg
-
The Red Cuillin, with the Black Cuillin in the distance
-
The Red Cuillin (Glamaig and An Coileach, Beinn Dearg Mòr, Drum na Ruaige)
References
[edit]- ^ a b "National Scenic Areas - Maps". SNH. 20 December 2010. Archived from the original on 12 June 2018. Retrieved 27 March 2018.
- ^ "Cuillin Hills". Ainmean-Àite na h-Alba: Gaelic Place-Names of Scotland.
- ^ a b c d e f g h i j k l m n o p q r s D. Bennet & R. Anderson. The Munros: Scottish Mountaineering Club Hillwalkers Guide, pp. 258–275. Published 2016.
- ^ a b c d R. Anderson & Tom Prentice. The Grahams & The Donalds - Scottish Mountaineering Club Hillwalkers' Guide, pp. 304–309. Published 2015.
- ^ a b c d e f "The special qualities of the National Scenic Areas. Scottish Natural Heritage Commissioned Report No.374" (PDF). Scottish Natural Heritage. 2010. Retrieved 14 February 2018.
- ^ a b c d e "SPA description for Cuillins". Joint Nature Conservation Committee. 2011. Retrieved 21 February 2018.
- ^ Ordnance Survey Landranger 1:50000, Sheet 32
- ^ a b c R. Milne & H Brown. The Corbetts and Other Scottish Hills - Scottish Mountaineering Club Hillwalkers' Guide, pp. 262–263. Published 2002.
- ^ "Map: Cuillin Hills National Scenic Area" (PDF). Scottish Natural Heritage. 20 December 2010. Retrieved 21 February 2018.
- ^ a b "National Scenic Areas". Scottish Natural Heritage. Retrieved 17 January 2018.
- ^ a b Drummond, Peter (1991). Scottish Hill and Mountain Names. Scottish Mountaineering Trust. pp. 3, 54–55.
- ^ Drummond, Peter (1997). "Scottish Hill-Names - The Irish Connection" (PDF). Scottish Mountaineering Club Journal. 36 (188): 276.
- ^ a b c "The Roots of Volcanoes - Scottish Natural Heritage online". Scottish Natural Heritage. Archived from the original on 23 February 2018. Retrieved 22 February 2018.
- ^ Chisholm, Hugh, ed. (1911). . Encyclopædia Britannica. Vol. 10 (11th ed.). Cambridge University Press. p. 638.
- ^ Forbes, James D. (1846) Notes on the topography and geology of Cuchullin Hills in Skye, and on traces of ancient glaciers which they present. Edinburgh New Philosophical Journal No. 40. Pages 76–99.
- ^ Forbes, James D. (1846) On the Viscous Theory of Glacier Motion Abstracts of the Papers Communicated to the Royal Society of London, Vol. 5, 1843–1850. pp. 595–596.
- ^ McKirdy et al. (2007) pages 164–5 and 280.
- ^ Harker, Alfred, (1904) The Tertiary Igneous Rocks of Skye. Geological Survey of Scotland Memoir.
- ^ "Countryside and Landscape in Scotland - National Scenic Areas". Scottish Government. 4 July 2017. Archived from the original on 31 January 2018. Retrieved 31 January 2018.
- ^ Historic Environment Scotland. "Skye, Glen Brittle (Site no. NG42SW 3)". Retrieved 19 June 2025.
- ^ Historic Environment Scotland. "Skye, River Sligachan (Site no. NG42NE 8)". Retrieved 19 June 2025.
- ^ "Skye survey" Archived 28 September 2011 at the Wayback Machine. University of Edinburgh. Retrieved 15 March 2008.
- ^ Historic Environment Scotland. "Skye, Rubh' An Dunain, 'Viking Canal' (Site no. NG31NE 8)". Retrieved 19 June 2025.
- ^ Mackinnon, C. R. (1958). "The Clan Mackinnon: a short history". Archived from the original on 27 May 2010. Retrieved 30 April 2010.
- ^ T. Marsh. The Isle of Skye, p. 170. Published 2012.
- ^ Historic Environment Scotland. "Skye, Bloody Stone, Harta Corrie (Site no. NG42SE 1)". Retrieved 19 June 2025.
- ^ MEM Donaldson. Wanderings in the Western Highlands and Islands, Revision. 2nd. Paisley. p. 147 RCAHMS Shelf Number: D.6.DON
- ^ Historic Environment Scotland. "Skye, Coire Na Creiche (Site no. NG42NW 1)". Retrieved 19 June 2025.
- ^ a b S. Johnson & J. Boswell (ed. R. Black). To the Hebrides: "Journey to the Western Isles of Scotland" and "Journal of a Tour to the Hebrides", pp. 257–258. Published by Birlinn, 2007.
- ^ Ian R Mitchell, Scotland's Mountains Before the Mountaineers, p. 159. Published 2013, Luath Press.
- ^ Ian R Mitchell. Scotland's Mountains Before the Mountaineers, p. 171. Published 2013, Luath Press.
- ^ "Map Search". Who Owns Scotland. Archived from the original on 7 March 2018. Retrieved 21 February 2018.
- ^ a b c "When the Black Cuillin mountains went on the market for £10m". The Scotsman. 12 October 2017. Retrieved 20 February 2018.
- ^ a b "Black Cuillin may be gifted to nation in clan castle deal". The Scotsman. 8 May 2004. Retrieved 30 April 2012.
- ^ Wightman, A. (2015). The Poor Had No Lawyers. Birlinn Ltd. ch13.
- ^ "Introducing Sconser, Strathaird and, Torrin" (PDF). John Muir Trust. 2012. Retrieved 21 February 2018.
- ^ "Homepage". John Muir Trust. Retrieved 21 February 2018.
- ^ Elizabeth Buie. "Pop singer sells Skye estate to trust". The Herald. Retrieved 22 February 2011.
- ^ Calum Smith (2020). The Black Cuillin: The Story of Skye's Mountains. Rymour Books. p. 179. ISBN 9780954070441.
- ^ H. E. L. Porter (1974). "Leslie Garnet Shadbolt (1883–1973)" (PDF). Alpine Journal: 284–85.
- ^ "Finlay Wild Breaks Cuillin Record - Again".
- ^ Colin Wells, Running in Heaven Archived 30 September 2007 at the Wayback Machine. Sunday Herald (accessed 14 June 2007).
- ^ "How to scramble: the Cuillin Ridge". The BMC. 4 August 2015. Retrieved 28 February 2018.
- ^ Begley, Alastair (February 2014). "A Winter Cuillin Traverse". ukclimbing.com. Retrieved 19 March 2016.
- ^ Lates, Mark. "The Cuillin Ridge: Tips for success by Mike Lates" (PDF). skyeguides.co.uk. Retrieved 19 March 2016.
- ^ Patey, Tom (1965). "The first Winter Traverse of the Cuillin Ridge" (PDF). Scottish Mountaineeering Club Journal. #28 (156): 69–86. Retrieved 26 June 2024.
- ^ Murray, William H (1947). Mountaineering in Scotland. J.M.Dent and Sons Ltd. pp. 148–167. Retrieved 27 June 2024.
- ^ a b c Trendall, Adrian (2020). Skye's Cullin Ridge Traverse. Cicerone. pp. 53–5. ISBN 978-1-78631-043-9.
- ^ "Gaelic film up for Scots BAFTAs". BBC. 31 October 2007.
- ^ "Sorley MacLean". Scottish Poetry Library. Retrieved 22 February 2018.
- ^ "Jethro Tull - Broadford Bazaar Lyrics". SongLyrics. Retrieved 22 February 2018.
- ^ Merrill, Jamie (2 October 2014). "Video: Thrill-seeker Danny MacAskill takes death-defying ride along the 992-metre drop of The Cuillin Ridge". The Independent. Retrieved 4 October 2014.
- ^ Ash, Russell (1973). Folklore, Myths and Legends of Britain. Reader's Digest Association Limited. p. 449. ISBN 9780340165973.
External links
[edit]Cuillin
View on GrokipediaGeography
Location and Overview
The Cuillin (Scottish Gaelic: An Cuiltheann), a range of rugged mountains, is located on the Isle of Skye in the Inner Hebrides archipelago off the northwest coast of Scotland.[1] The range spans the central and southwestern parts of the island, within the Highland Council area, with coordinates approximately centered at 57°13′N 6°12′W.[9] Designated as the Cuillin Hills National Scenic Area in 1978, it encompasses dramatic landscapes recognized for their outstanding natural beauty under Scotland's protected areas framework.[10] The Cuillin divides into two geologically distinct sections: the precipitous Black Cuillin, comprising a main east-west ridge about 11 kilometers long, and the more rounded Red Cuillin to the east, separated by Glen Sligachan.[1][11] The Black Cuillin, characterized by sharp, jagged peaks of dark gabbro and basalt, rises steeply above surrounding glens and includes 11 Munros—Scottish peaks over 914 meters—with the highest summit, Sgùrr Alasdair, reaching 993 meters.[9][1] In contrast, the Red Cuillin features gentler granite hills, such as Glamaig at 775 meters.[1] This range is renowned for its technical mountaineering demands, with steep cliffs, narrow ridges, and exposure that classify it among Britain's most challenging hillwalking terrains, attracting experienced climbers while posing significant risks to the unprepared.[2] The area's isolation, accessed primarily via roads to Sligachan or Elgol, contributes to its wild character, shaped by glacial erosion and volcanic origins visible in corries and peaks.[5]Black and Red Cuillin
The Cuillin range on the Isle of Skye comprises two distinct parts: the Black Cuillin, forming the primary central ridge, and the Red Cuillin, situated to the east of Glen Sligachan. The Black Cuillin are characterized by their dark gabbro and basalt rock, which weathers to produce sharp, jagged peaks and steep cliffs, while the Red Cuillin consist of granite, resulting in more rounded contours and a reddish hue.[1][6][5] The Black Cuillin extend approximately 11 kilometers along a narrow, irregular ridge exceeding 900 meters in elevation in places, encompassing 11 Munros and 16 additional summits. The highest peak, Sgùrr Alasdair, reaches 992 meters (3,255 feet). This section features extreme terrain including boulder fields, steep scree slopes, knife-edge arêtes, deep corries, and gullies, rendering it suitable primarily for experienced mountaineers requiring technical climbing skills.[1][2][12] In contrast, the Red Cuillin present gentler, less precipitous hills with non-technical paths, attracting hillwalkers rather than climbers. Their highest summit, Glamaig, stands at 775 meters (2,543 feet), a Corbett, with overall elevations lower than the Black Cuillin and greater vegetation cover due to the granite's differential erosion resistance. These hills lie southeast of the Black Cuillin, offering accessible routes amid similar scenic isolation on Skye.[1][6]List of Principal Summits
The principal summits of the Cuillin are the twelve Munros in the Black Cuillin, each exceeding 914 m in elevation and recognized under Sir Hugh Munro's 1891 compilation of Scottish peaks over 3,000 ft.[13] These jagged gabbro peaks form the core of the main ridge, spanning over 11 km and demanding technical scrambling for ascent.[13] Sgùrr Alasdair stands as the highest at 992 m.[13]| Summit | Height (m) |
|---|---|
| Sgùrr Alasdair | 992 |
| Sgùrr Dearg (Inaccessible Pinnacle) | 986 |
| Sgùrr a' Ghreadaidh | 973 |
| Sgùrr na Banachdaich | 965 |
| Sgùrr nan Gillean | 964 |
| Brùach na Frìthe | 958 |
| Sgùrr Mhic Chòinnich | 948 |
| Sgùrr Dubh Mòr | 944 |
| Am Bàsteir | 934 |
| Blà Bheinn | 928 |
| Sgùrr nan Eag | 924 |
| Sgùrr a' Mhadaidh | 918 |
Geology and Formation
Rock Composition
The Black Cuillin are primarily composed of mafic and ultramafic igneous rocks from the Palaeogene Cuillin Igneous Complex, a layered intrusion featuring gabbros, peridotites, troctolites, eucrites, and anorthositic allivalites.[16] Gabbros dominate, consisting of coarse-grained plagioclase (An 58–82), clinopyroxene, olivine (Fo 58–74), magnetite, and apatite, often exhibiting ophitic textures and rhythmic layering that dips 10–70° toward the center.[16] Peridotites include dunites and feldspathic varieties with olivine (Fo 83), spinel, and pyroxene bands, while troctolitic allivalites are plagioclase-olivine cumulates (plagioclase An 75–90, olivine Fo 81–84).[16] These iron- and magnesium-rich assemblages, intruded around 60 million years ago, produce the dark, jagged peaks prized for their frictional grip in mountaineering due to the rough, angular crystal surfaces.[5] In contrast, the Red Cuillin comprise felsic granitic rocks from separate Palaeogene Red Hills centres (western and eastern), including intrusions of granite, granophyre, and associated felsites.[6] These acid-basic mixed magmas weather to a characteristic reddish hue from oxidized feldspars and quartz, forming rounded hills less resistant to glacial erosion than the Black Cuillin's mafics.[6] Minor granitic elements, such as the Coire Uaigneich Granite, occur at the Cuillin Complex margins but are not representative of the broader Red Cuillin lithology.[16] Dolerite dykes intrude both ranges, cross-cutting the primary compositions.[6]Geological History
The Cuillin Hills originated as part of the British Palaeogene Igneous Province, a widespread episode of volcanic and plutonic activity linked to the initial rifting of the North Atlantic around 62–55 million years ago. The Black Cuillin specifically represent the exposed roots of a Palaeogene central volcano complex, formed by the intrusion of mafic-ultramafic magmas into Proterozoic sedimentary and basement rocks between approximately 59 and 57 million years ago.[17][16] This activity produced a roughly 10 km diameter layered intrusion dominated by gabbro and peridotite, characterized by rhythmic layering from repeated pulses of crystal-laden magma settling in a differentiating magma chamber.[5][18] Cone sheets and ring dykes further delineate the structure, evidencing forceful magma emplacement under a developing volcanic edifice.[17] The Red Cuillin, by contrast, formed from later granitic intrusions during the same province's evolution, with felsic magmas exploiting fractures in the older gabbro around 57–55 million years ago, yielding more rounded plutons due to the rock's lower resistance to weathering.[19][16] These granites, part of the Western Red Hills centre, intrude and thermally alter the Black Cuillin margins, marking a shift from mafic to silicic magmatism as the system cooled and crustal assimilation increased.[19] Post-emplacement, millions of years of subaerial and fluvial erosion stripped away overlying Palaeogene lavas and Mesozoic sediments, exhuming the plutonic cores by the Miocene.[5] Pleistocene glaciations then profoundly modified the terrain, carving U-shaped valleys, cirques, and arêtes through freeze-thaw and ice abrasion, with the resistant gabbro preserving sharper features compared to the granites.[16] This glacial legacy, evident in features like the Inaccessible Pinnacle, defines the modern topography.[6]Ecology
Flora and Fauna
The Cuillin's rugged, high-altitude terrain hosts specialized alpine and subalpine flora, particularly in habitats such as subalpine dry heath, tall herb ledges, and Scottish liverwort heath communities. The nationally rare alpine rock-cress (Arabis alpina) persists in its sole wild British population on remote ledges along the main Black Cuillin ridge, adapted to the exposed gabbro cliffs. Over 40 nationally scarce moss and liverwort species form a significant bryophyte assemblage, with liverwort heaths featuring endemic assemblages unique to ultrabasic rocks. Vascular plants include purple saxifrage (Saxifraga oppositifolia), mountain avens (Dryas octopetala), marsh clubmoss (Lycopodiella inundata), and bogbean (Menyanthes trifoliata), though overall assemblages remain unfavourable due to deer overgrazing limiting distribution and regeneration. Faunal diversity is dominated by montane birds, with the Cuillin designated as a Special Protection Area partly for breeding golden eagles (Aquila chrysaetos), which utilize cliff eyries for nesting. Other raptors and passerines include white-tailed eagles (Haliaeetus albicilla), hen harriers (Circus cyaneus), peregrine falcons (Falco peregrinus), ring ouzels (Turdus torquatus), snow buntings (Plectrophenax nivalis), and ptarmigan (Lagopus muta), alongside waders such as golden plover (Pluvialis apricaria), snipe (Gallinago gallinago), dunlin (Calidris alpina), and greenshank (Tringa nebularia). Red deer (Cervus elaphus) are widespread, exerting pressure on vegetation through intensive grazing that hinders habitat recovery in birch woodlands and heaths. No reptiles are notably documented in the core upland zones, reflecting the cool, exposed conditions unsuited to herpetofauna. Conservation efforts emphasize deer management to mitigate overgrazing impacts on both flora and supporting prey habitats for birds.Environmental Impacts and Conservation
The Cuillin Hills form part of Scotland's National Scenic Areas, a designation administered by NatureScot to safeguard areas of exceptional landscape value against developments that could impair their character.[8] Overlapping protections include Sites of Special Scientific Interest (SSSI) for geological features, Special Protection Areas (SPA) for bird habitats such as those supporting golden eagles, and Special Areas of Conservation (SAC) like the adjacent Sligachan Peatlands, which preserve peatland ecosystems and rare alpine flora.[20] [21] Recreational pressures from mounting tourism and mountaineering activities pose the primary environmental threats, leading to footpath erosion, vegetation trampling, and localized habitat fragmentation in this uninhabited wild land area.[22] [23] Increased visitor numbers, driven by the Cuillin's popularity for ridge traverses and summits, have intensified trail degradation, particularly on access routes from Sligachan and Elgol, compounded by heavy rainfall that exacerbates runoff and scouring.[24] [25] Deer and livestock grazing further influences vegetation dynamics, potentially suppressing regeneration in sensitive upland habitats, though managed to balance conservation with traditional land use.[22] Minor risks include litter accumulation and disturbance to breeding birds from off-path activity, though no widespread invasive species outbreaks or pollution episodes are documented.[26] Conservation initiatives emphasize sustainable access and habitat restoration, with the MacLeod Estate, principal landowner, partnering on measures like controlled burning and erosion control to maintain ecological integrity.[27] Volunteer programs by the British Mountaineering Council and Mountaineering Scotland focus on clearing clogged drainage ditches and repairing paths, as demonstrated in October 2025 efforts below the Cuillin ridges to mitigate storm-induced damage.[24] The John Muir Trust, owning key Skye tracts including Cuillin fringes, conducts annual wildlife monitoring, beach cleans, and path hardening to reduce compaction, while advocating for visitor education on low-impact practices.[26] [21] NatureScot oversees broader NSA policies, integrating recreation with biodiversity goals through landscape character assessments that guide development consents.[28] These efforts collectively aim to preserve the Cuillin's pristine qualities amid rising visitor pressures exceeding 100,000 annually to Skye trails.[23]Human History
Pre-Modern Exploration
The Cuillin mountains, integral to the territory of the MacLeod clan centered at Dunvegan, were traversed by locals primarily for practical purposes such as herding sheep across high passes and accessing remote glens for grazing, though their precipitous terrain restricted widespread use to familiar shepherds and clansmen.[29] No records exist of systematic summit ascents or recreational exploration prior to the 19th century, with the range often viewed as formidable and largely avoided except for necessity.[30] Clan rivalries prompted occasional military forays into the Cuillin. In 1395, MacDonald forces from Sleat landed at Loch Eynort and marched north through Glen Sligachan toward MacLeod holdings, utilizing the glen as an invasion route into the heart of the range.[31] More decisively, the Battle of Coire na Creiche in 1601, the last major clan battle on Skye, unfolded in a corrie below Bruach na Frìthe when MacLeod warriors ambushed pursuing MacDonald raiders, resulting in heavy casualties amid the scree and boulders.[32] External observers noted the Cuillin's imposing presence without venturing deep into them. During their 1773 tour of the Hebrides, Samuel Johnson and James Boswell crossed to Skye via Raasay and remarked on perpetual snow capping the peaks even in September, highlighting the range's isolation and severity from afar. These accounts underscore a pre-modern era defined by utilitarian or conflict-driven passage rather than deliberate mountaineering, reflecting the mountains' role as a natural barrier in Highland clan dynamics.[33]Modern Ownership and Land Disputes
The Black Cuillin, the principal range of the Cuillin mountains on the Isle of Skye, remain under private ownership by the Estate of MacLeod of MacLeod as of 2025. This ownership traces to historical clan holdings, with the estate encompassing key areas including the main ridge and surrounding glens. The current chief, Hugh Magnus MacLeod, inherited the title in 2007 following the death of his father, John MacLeod, who had overseen the estate during the late 20th and early 21st centuries. Adjacent lands, such as portions managed by the John Muir Trust for conservation, do not include the core Black Cuillin summits, which stay within the private estate.[29][34] In 2000, significant controversy arose when John MacLeod of MacLeod listed the Black Cuillin for sale at £10 million, intending to fund repairs to the family's Dunvegan Castle. This prompted challenges from local islanders, conservation groups, and public agencies questioning the validity of the estate's title, rooted in a 16th-century Crown charter potentially affected by historical events like the 1715 Jacobite rising and subsequent forfeitures. Critics argued that such ancient claims should not justify modern private control over iconic public-access landscapes, fueling broader calls for Scottish land reform to redistribute large estates.[35][36][37] The Crown Estate Commissioners investigated the ownership in May 2000 but concluded in July that no legal challenge was warranted, citing undisputed possession by the MacLeods for centuries, including payment of taxes and absence of prior contests. Public bodies, including the National Trust for Scotland, declined to match the asking price, halting the sale and preserving the status quo. While no further ownership transfers have occurred, the episode highlighted tensions between private land rights and public interest in Scotland's Highland estates, where access is governed by the 2003 Land Reform Act rather than outright public ownership.[38][39][40]Access and Regulation
Scottish Land Access Rights
The Land Reform (Scotland) Act 2003 established statutory rights of responsible public access to most land and inland waters across Scotland for recreational, educational, and certain commercial purposes, including walking, cycling, horse-riding, camping, and water-based activities such as angling and canoeing.[41] These rights apply universally, irrespective of land ownership, and are balanced by corresponding responsibilities outlined in the Scottish Outdoor Access Code, which emphasizes minimizing environmental impact, respecting land managers' activities (e.g., avoiding crops, livestock, or privacy zones), and ensuring safety.[42] [43] In the Cuillin, these access rights facilitate unrestricted entry for hillwalking, scrambling, and rock climbing on the Black Cuillin's jagged gabbro ridges and the broader Red Cuillin hills, subject only to the code's principles of responsible behavior.[44] Private estates encompassing parts of the range, such as those historically linked to sales or trusts like the John Muir Trust's Skye holdings, cannot impose blanket exclusions, though temporary restrictions may apply for specific land management needs, such as during intensive sheep farming or gamekeeping operations.[21] The absence of formal conservation-imposed barriers or "red tape" on the Cuillin underscores reliance on voluntary compliance to preserve the area's unspoiled state, with access points primarily via corries from Sligachan or Glen Brittle.[45] Wild camping, permitted under the act as a form of temporary recreational access, is common in the Cuillin's remote corries like Coire na Creiche, but must avoid enclosed fields, archaeological sites, or prolonged occupation to prevent erosion or disturbance.[46] Enforcement occurs through local authorities and bodies like NatureScot, which promote the code via signage and education rather than prohibitions, reflecting the act's intent to foster public enjoyment without undermining land viability.[47] Controversies over estate sales in the early 2000s highlighted tensions between ownership and access, yet the statutory framework prevailed, affirming public rights even amid debates on land reform's broader implications.[48]Management and Restrictions
The Cuillin Hills form part of the Cuillin Hills National Scenic Area, designated in 1979 to safeguard areas of outstanding scenic value through integration into the planning system, which imposes controls on developments likely to impair landscape character.[8] Unlike national parks, National Scenic Areas lack dedicated management authorities but rely on local planning authorities and NatureScot to enforce protections against inappropriate infrastructure, such as large-scale construction or visual intrusions.[49] The core Cuillin ridge and surrounding features are also notified as a Site of Special Scientific Interest (SSSI) since 1984, primarily for their geological exposures of Tertiary igneous rocks, with management emphasizing habitat preservation through reduced grazing pressure from deer and livestock to protect peatlands, montane heath, and bryophyte communities.[50] NatureScot coordinates with landowners on conservation schemes, including controlled burning regimes, invasive species eradication (e.g., Cotoneaster in Uamh Fhraidh woodland), and footpath maintenance via initiatives like the Skye and Lochalsh Footpath Project to mitigate erosion from recreational use.[50] As a Special Protection Area (SPA) overlapping the SSSI, additional safeguards apply to breeding birds like golden eagles, requiring assessments for activities potentially causing disturbance.[51] Access remains open under the Scottish Outdoor Access Code, with no permits required for walking, scrambling, or climbing, but users must adhere to responsible practices: sticking to established paths, avoiding sensitive vegetation, and minimizing habitat trampling in this friable gabbro terrain prone to erosion.[50] Irresponsible geological collecting, such as from key sites like Harker’s Gully, is prohibited to preserve scientific features, while wild camping is permitted on a transient basis (ideally one to two nights per location) provided it follows Leave No Trace principles—no open fires, litter removal, and site restoration to prevent cumulative damage in high-use corries.[50][52] In wildlife-sensitive zones, voluntary seasonal avoidance during breeding periods (e.g., April to August for ground-nesting birds) is recommended to reduce disturbance, guided by NatureScot's public access management tools.[53]Mountaineering
Historical Development
The earliest documented ascents in the Cuillin began in the mid-19th century, with the first recorded scramble across the range from Sligachan to Loch Coruisk undertaken in 1835 by Reverend Lessingham Smith and forester Duncan MacIntyre.[54] Sgùrr nan Gillean, one of the more accessible peaks, saw its initial ascent in 1836, marking the start of targeted summit attempts amid the growing interest in Scottish hillwalking during the Victorian era.[55] These early efforts were limited by the remote terrain and lack of established routes, relying on local knowledge from Skye residents, though comprehensive mapping and climbing remained undeveloped until later decades. Systematic mountaineering emerged in the late 1880s through the partnership of Professor J. Norman Collie, a chemist and alpinist, and local guide John MacKenzie, who together pioneered dozens of first ascents and routes across the Black Cuillin's jagged gabbro ridges.[56] Collie, having climbed extensively in the Alps and Rockies, focused on Skye from 1886 onward, completing ascents of major summits like Sgùrr Alasdair by 1888 and contributing to the naming of peaks such as Sgùrr Mhic Choinnich after MacKenzie.[57] Their expeditions, spanning 1897 to 1911, yielded at least 21 first ascents and detailed surveys that revealed the range's alpine character, shifting perceptions from mere "horrid mountains" to a premier British climbing venue.[57] MacKenzie's expertise as a Sligachan innkeeper and guide was instrumental, enabling traverses of technically demanding sections previously deemed impassable without ropes.[12] The early 20th century saw consolidation of these efforts with the first full continuous traverse of the main Cuillin Ridge achieved on June 10, 1911, by Leslie Shadbolt and Alastair McLaren, covering the traverse from south to north in a single push.[12] This feat built on prior partial ridges by Collie and others, emphasizing endurance over isolated peaks and influencing subsequent guidebook publications by the Scottish Mountaineering Club. Post-World War I, climbing intensified with the adoption of modern techniques, including fixed ropes on exposed pinnacles like the Inaccessible Pinnacle, though fatalities from rockfall and exposure underscored the range's unforgiving nature from the outset.[58] By the mid-20th century, the Cuillin had evolved into a testing ground for British rock and winter climbing, attracting figures like Hamish MacInnes for route development amid growing tourism.[59]Technical Challenges and Routes
The Black Cuillin ridge presents formidable technical challenges due to its jagged gabbro peaks, steep exposure, and intricate navigation requirements, demanding skills in scrambling, roped climbing, and route-finding.[12] The rock, while grippy when solid, features loose blocks and polished holds from weather exposure, increasing the risk of rockfall and slips on narrow arêtes.[60] Key difficulties include sustained Grade 3-4 scrambling with sections up to Severe standard, often requiring ropes for half a dozen major obstacles like the Td Gap and Bad Step.[61] Endurance is critical, as the full traverse spans over 11 kilometers with elevations exceeding 3,000 feet, typically requiring 2-3 days for most parties amid unpredictable weather that can turn benign conditions lethal.[1] Prominent routes include the Inaccessible Pinnacle on Sgùrr Dearg, the only Munro necessitating rock climbing for ascent, graded Moderate via its east ridge—a 50-meter fin requiring belayed climbing followed by a 50-meter abseil descent.[62] [63] The Clach Glas to Sgùrr nan Eag Traverse features the notorious Bad Step, a downclimb and swing across a vertical groove rated Severe, often protected with a rope due to its exposure and polish.[64] The full Cuillin Ridge Traverse, linking 11 Munros from Gars-bheinn to Sgùrr nan Gillean, integrates these with miles of exposed scrambling, where false summits and dead-end gullies complicate progress, advising prior reconnaissance or guided experience.[65] Other notable challenges arise on peaks like Sgùrr Alasdair, the highest at 992 meters, accessed via technical gullies or the South Ridge involving abseils and exposed ledges.[66] Routes such as Pinnacle Ridge on Sgùrr nan Gillean demand precise moves on fins and towers, graded Difficult to Very Severe depending on the line.[67] The Scottish Mountaineering Club's guides emphasize that while bypasses exist for hardest sections, committing to the crest heightens psychological demands from vertigo-inducing drops.[68] Success hinges on parties carrying double ropes, helmets, and via ferrata sets for slings, with midges and sudden mists adding non-technical hazards.[12]Achievements and Records
The first recorded ascent of the Inaccessible Pinnacle on Sgùrr Dearg occurred in 1880, achieved by brothers Charles and Lawrence Pilkington, who abseiled from the summit using a rope thrown over an overhang.[69] This 50-meter gabbro monolith remains the only Munro summit requiring a technical rock climb for access, graded Moderate but exposed, making it a rite of passage for Munroists.[62] The inaugural complete traverse of the Black Cuillin main ridge, spanning approximately 11 kilometers with 11 Munros, was completed in 1911 by Leslie Shadbolt and Alastair McLaren, starting from Glen Brittle and finishing at Sligachan.[54] In modern speed records, Finlay Wild established the current summer fastest known time (FKT) for the Cuillin Ridge traverse at 2 hours, 59 minutes, and 22 seconds on October 12, 2013, surpassing his prior mark of 3 hours, 14 minutes, and 37 seconds set earlier that year.[70] [71] For winter conditions, Matthew Pavitt set the FKT at 4 hours, 35 minutes, and 17 seconds on January 14, 2024, improving on previous benchmarks amid ice, snow, and technical difficulties.[72] Earlier winter records include Uisdean Hawthorn's 4 hours, 57 minutes, and 7 seconds in February 2018.[73]| Record Type | Holder | Time | Date | Conditions |
|---|---|---|---|---|
| Summer Traverse FKT | Finlay Wild | 2:59:22 | October 12, 2013 | Dry, summer |
| Winter Traverse FKT | Matthew Pavitt | 4:35:17 | January 14, 2024 | Snow/ice |