Ham, London

Ham is a suburban district in Richmond, south-west London. It has meadows adjoining the River Thames where the Thames Path National Trail also runs. Most of Ham is in the London Borough of Richmond upon Thames and, chiefly, within the ward of Ham, Petersham and Richmond Riverside; the rest is in the Royal Borough of Kingston upon Thames. The district has modest convenience shops and amenities, including a petrol station and several pubs, but its commerce is subsidiary to the nearby regional-level economic centre of Kingston upon Thames.

Ham is centred 9.25 miles (14.89 km) south-west of the centre of London. Together with Petersham, Ham lies east of the bend in the river almost surrounding it on three sides, 1 mile (1.6 km) south of Richmond and 2 miles (3.2 km) north of Kingston upon Thames. Its elevation mostly ranges between 6m and 12m OD but reaches 20m in the foothill side-streets leading to Richmond Park. It has the Thames Path National Trail and is connected to Teddington by a large Lock Footbridge at Teddington Lock. During the summer months a pedestrian ferry, Hammerton's Ferry, links it to Marble Hill House, Twickenham.

The neighbouring land is semi-rural Petersham, Richmond Park, and the town of Kingston. On the opposite side of the river is Teddington and Twickenham (including Strawberry Hill).

Ham is bounded on the west, along the bank of the River Thames, by ancient communal river meadows forming a Local Nature Reserve called Ham Lands. Part of this former pasture land was used for gravel extraction. The last remnant of these gravel pits now forms an artificial lake, connected to the river by a lock. In this area is the Thames Young Mariners 10 acres (0.04 km²) site, operated as a water activity centre by Surrey County Council. The area along the riverside is preserved as a public amenity and nature reserve.

Mostly on low-lying river terrace, Ham today is bounded to the east by Richmond Park, where the land rises at the escarpment of the Richmond and Kingston hills. Small streams that drain this higher ground flow into a watercourse that flows south–north along the foot of the hill, known as Latchmere Stream to the south and Sudbrook to the north. Now subterranean for most of its course, it emerges in Ham Common, near Ham Gate and flows briefly through Richmond Park and exits into Sudbrook Park Golf Course, returning underground before discharging into the Thames at Petersham.

Ham lies within the London Basin and its London clay bedrock. The low-lying flood plains to the west consist of fluvial gravels, sands and clay. To the east, within Richmond Park, a more erosion-resistant fluvio-glacial deposit of gravels laid down in the interglacial period between 240,000 and 400,000 years ago forms the escarpment ridge that runs north–south between the Richmond and Kingston hills.

The name derives from the Old English word Hamme meaning "place in the bend of a river".

The Thames Valley has been inhabited since the Palaeolithic period and finds of Palaeolithic flints near White Lodge, Richmond Park show that Ham was part of early human territory. Later, Mesolithic, flints found at Ham dip, Dann's Pond and Pen Ponds within the park are also evidence of early habitation as are Neolithic barrows on the ridge of the hill overlooking Petersham, Ham and Kingston. These have not been excavated, so it is impossible to date them precisely, but barrows are known to span the period from 3500BC to 900BC. Several surface finds of flint tools, axes, adzes, scrapers, awls chisels and knives as well as arrowheads, hammer stones and flint shards were made during gravel workings in Ham Fields at Coldharbour, near the present day Thames Young Mariners site (51°26′19″N 0°19′32″W / 51.438655°N 0.325586°W / 51.438655; -0.325586) and further east in maize fields now covered by housing. These finds are made from high-quality flint from the North Downs rather than local river-borne flints from the Thames Valley, implying human transportation and a settled rather than nomadic lifestyle in the area. Many of these artifacts are part of the Edwards Collection and housed in the Museum of Richmond. Other finds from Ham are held at the Museum of London including an early Bronze Age collared urn, also from the Edwards Collection.