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Mount Batulao
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Mount Batulao
Mount Batulao is an inactive stratovolcano in the Calabarzon region of the Philippines, located in northwest Batangas province along its border with Cavite. It is a flank dissected andesitic stratovolcano of Taal at the northwestern rim of the Taal Volcano which began to form in the late Pliocene period, about 3.4 million years ago. The mountain is a prominent landmark of jagged peaks, rolling to rugged ridges and deep gorges situated just west of the hill station of Tagaytay at the southwestern end of the Tagaytay Ridge. It is well known for its scenery, as well as its retreat centers and resorts located just 85 kilometres (53 mi) south of Manila.
The name Batulao comes from a contraction of the Tagalog phrase bato sa ilaw or ilaw sa dalawang bato (illuminated rocks) in reference to the phenomenon that takes place at the mountain in December when the sun's rays come out from between the mountain's two prominent peaks and light them up. Other sources say its name may have also been derived from a portmanteau of the Tagalog words bato (rock) and dilaw (yellow) referring to the mountain's color during sunrise.
Mount Batulao rises to a height of 693 metres (2,274 ft) mostly within the municipality of Nasugbu. It forms the southwestern end of the Tagaytay Range, popularly known as the Tagaytay Ridge and historically as the Cordillera de Tagaytay, a high ridge of volcanic tuff which runs in a semi-circular direction for 32 kilometres (20 mi) to Mount Sungay in the northeast in Tagaytay overlooking the Taal Lake and Taal Volcano. The mountain contains twelve peaks including its two highest peaks for which it was named. The northern side of the mountain is administered as part of Nasugbu while to the east, its foothills extend to the Cavite municipality of Alfonso. Its southern and western slopes are shared with the municipalities of Tuy, Balayan, and Lemery, and the city of Calaca. Settlements include the upland barangays of Aga and Calayway (Kaylaway) in Nasugbu, Bolboc and Mataywanac in Tuy, Patugo in Balayan, Cahil in Calaca, Mayasang in Lemery and the Alfonso barangay of Kaysuyo.
The mountain is situated in the 185.9-square-kilometre (71.8 mi2) Lian River Basin, a subcatchment of the Nasugbu-Lian-Calatagan Basin in the municipalities of Nasugbu, Lian, Tuy, Alfonso and Magallanes. It contains the headwaters of the Lian-Palico River, which flow down from the steep slopes of Mount Batulao and the 656-metre (2,152 ft) high Mount Carilao through mostly secondary growth forest and sugarcane plantations before discharging to Nasugbu Bay of the South China Sea. This river has a total length of 34 kilometres (21 mi) and produces an average annual discharge of 19.44 million cubic metres (687 million cu ft). The Montintubig (Munting Tubig), Obispo and Siomtiam rivers also have their source at Mount Batulao and drain into Balayan Bay.
Mount Carilao, sometimes spelled Cariliao and also known as Mount Talamitam, occupies the gap to the north between Batulao and the Mounts Palay-Palay–Mataas-na-Gulod mountain range (also known as Mount Pico de Loro range). This mountain at Nasugbu's border with the Cavite municipality of Magallanes is known as Batulao's younger sister and is also a popular hike for beginners. To the southeast of Mount Carilao is Mount Aiming, a sharp and bare mountain which rises 359 metres (1,178 ft). The three mountains form a defile through which the Tagaytay–Nasugbu Highway passes.
A large portion of the gap between the three mountains in Nasugbu is private property, most of which belongs to the 1,837-hectare (4,540-acre) Hacienda Puyat of Gonzalo Puyat & Sons and the 867-hectare (2,140-acre) Hacienda Caylaway of Roxas & Company. From an agricultural estate, the Puyat and Roxas family enterprises transformed portions of this side of Mount Batulao into a prime real estate and retirement destination, with several hotels, golf courses and condominium complexes. These developments are bordered by the Batulao Forest to the south.
Mount Batulao is listed by the Global Volcanism Program as a stratovolcano of the Taal along with the cones of Maculod, Makiling and Sungay. All of the cones mentioned above are all inactive volcanoes. The age of Mount Batulao is based on the basalts and andesites deposits using K-Ar radiometric dating ranging from 3.4 to 1.34 Ma (Pliocene - Pleistocene) (De Boer and colleagues, 1980; Wolfe and Self, 1983). According to the literature, the basalt flows of the volcano have an average radiometric age of 2.9 Ma (Wolfe and Self, 1983).
Mount Batulao has a forest cover of 30,000 hectares (74,000 acres) in its middle to lower slopes in Nasugbu, Balayan and Calaca. It is a privately owned natural sanctuary with centuries-old trees extending to the valleys and gorges to the south. The secondary growth dipterocarp forest has areas of slash-and-burn agriculture planted with corn, banana, mangoes and other fruit trees. The patches of grassland and shrubland on the mountain are dominated by cogon grass and Kans grass, while its gently sloping foothills and flat areas are planted with different agricultural crops.
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Mount Batulao
Mount Batulao is an inactive stratovolcano in the Calabarzon region of the Philippines, located in northwest Batangas province along its border with Cavite. It is a flank dissected andesitic stratovolcano of Taal at the northwestern rim of the Taal Volcano which began to form in the late Pliocene period, about 3.4 million years ago. The mountain is a prominent landmark of jagged peaks, rolling to rugged ridges and deep gorges situated just west of the hill station of Tagaytay at the southwestern end of the Tagaytay Ridge. It is well known for its scenery, as well as its retreat centers and resorts located just 85 kilometres (53 mi) south of Manila.
The name Batulao comes from a contraction of the Tagalog phrase bato sa ilaw or ilaw sa dalawang bato (illuminated rocks) in reference to the phenomenon that takes place at the mountain in December when the sun's rays come out from between the mountain's two prominent peaks and light them up. Other sources say its name may have also been derived from a portmanteau of the Tagalog words bato (rock) and dilaw (yellow) referring to the mountain's color during sunrise.
Mount Batulao rises to a height of 693 metres (2,274 ft) mostly within the municipality of Nasugbu. It forms the southwestern end of the Tagaytay Range, popularly known as the Tagaytay Ridge and historically as the Cordillera de Tagaytay, a high ridge of volcanic tuff which runs in a semi-circular direction for 32 kilometres (20 mi) to Mount Sungay in the northeast in Tagaytay overlooking the Taal Lake and Taal Volcano. The mountain contains twelve peaks including its two highest peaks for which it was named. The northern side of the mountain is administered as part of Nasugbu while to the east, its foothills extend to the Cavite municipality of Alfonso. Its southern and western slopes are shared with the municipalities of Tuy, Balayan, and Lemery, and the city of Calaca. Settlements include the upland barangays of Aga and Calayway (Kaylaway) in Nasugbu, Bolboc and Mataywanac in Tuy, Patugo in Balayan, Cahil in Calaca, Mayasang in Lemery and the Alfonso barangay of Kaysuyo.
The mountain is situated in the 185.9-square-kilometre (71.8 mi2) Lian River Basin, a subcatchment of the Nasugbu-Lian-Calatagan Basin in the municipalities of Nasugbu, Lian, Tuy, Alfonso and Magallanes. It contains the headwaters of the Lian-Palico River, which flow down from the steep slopes of Mount Batulao and the 656-metre (2,152 ft) high Mount Carilao through mostly secondary growth forest and sugarcane plantations before discharging to Nasugbu Bay of the South China Sea. This river has a total length of 34 kilometres (21 mi) and produces an average annual discharge of 19.44 million cubic metres (687 million cu ft). The Montintubig (Munting Tubig), Obispo and Siomtiam rivers also have their source at Mount Batulao and drain into Balayan Bay.
Mount Carilao, sometimes spelled Cariliao and also known as Mount Talamitam, occupies the gap to the north between Batulao and the Mounts Palay-Palay–Mataas-na-Gulod mountain range (also known as Mount Pico de Loro range). This mountain at Nasugbu's border with the Cavite municipality of Magallanes is known as Batulao's younger sister and is also a popular hike for beginners. To the southeast of Mount Carilao is Mount Aiming, a sharp and bare mountain which rises 359 metres (1,178 ft). The three mountains form a defile through which the Tagaytay–Nasugbu Highway passes.
A large portion of the gap between the three mountains in Nasugbu is private property, most of which belongs to the 1,837-hectare (4,540-acre) Hacienda Puyat of Gonzalo Puyat & Sons and the 867-hectare (2,140-acre) Hacienda Caylaway of Roxas & Company. From an agricultural estate, the Puyat and Roxas family enterprises transformed portions of this side of Mount Batulao into a prime real estate and retirement destination, with several hotels, golf courses and condominium complexes. These developments are bordered by the Batulao Forest to the south.
Mount Batulao is listed by the Global Volcanism Program as a stratovolcano of the Taal along with the cones of Maculod, Makiling and Sungay. All of the cones mentioned above are all inactive volcanoes. The age of Mount Batulao is based on the basalts and andesites deposits using K-Ar radiometric dating ranging from 3.4 to 1.34 Ma (Pliocene - Pleistocene) (De Boer and colleagues, 1980; Wolfe and Self, 1983). According to the literature, the basalt flows of the volcano have an average radiometric age of 2.9 Ma (Wolfe and Self, 1983).
Mount Batulao has a forest cover of 30,000 hectares (74,000 acres) in its middle to lower slopes in Nasugbu, Balayan and Calaca. It is a privately owned natural sanctuary with centuries-old trees extending to the valleys and gorges to the south. The secondary growth dipterocarp forest has areas of slash-and-burn agriculture planted with corn, banana, mangoes and other fruit trees. The patches of grassland and shrubland on the mountain are dominated by cogon grass and Kans grass, while its gently sloping foothills and flat areas are planted with different agricultural crops.
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