River, a tributary of the Phum Duang River and creating a lake inside the park. The dam provides electricity for the south, and the lake became a major holiday destination for Thai and foreign tourists alike. There were several species of animals that had to be resettled to save them from drowning, as the lake slowly filled over a period of 3 years. Unfortunately, a study from 1995 revealed the loss of some 52 species of fish from the river, which could not survive in the stagnant water. Activities Khao Sok National Park has various activities for tourists who enjoy activities such as trekking, canoeing, bamboo rafting. A boat tour to Cheow Lan lake is also available. Trekking: Due to Khao Sok being a tropical rainforest, there are many wild animals such as “wild elephants, serow, tigers, Malayan sun bears and over 180 bird species to watch”. Those interested in trekking can hire a local guide. Rafflesia Kerrii Meijer can be found in the area. Tourists may stay in the rainforest overnight. Canoeing and Bamboo rafting: Sok River is known for beautiful views along the river. There are local guides for tourists to hire for canoeing and bamboo rafting tours. Boat to Cheow Lan lake: Within the deep forest, there are caves to explore such as Diamond cave, Khang Cow Cave and Nam Talu cave which connect to Cheow Lan lake. Nam Talu cave is about from the headquarters of Khao Sok National Park. Tour guides are available to boat visitors from the waterfall to the lake. Gallery See also List of national parks of Thailand List of Protected Areas Regional Offices of Thailand References Khao Sok National Park official webpage Electricity Generating Authority of Thailand (EGAT) Waterfalls and Gibbon Calls; Exploring Khao Sok National Park, Thom Henley, 4th Ed, 2011, Phuket Thailand External links The Climate of Thailand Birdwatching Khao Sok National parks of Thailand Protected areas established in 1980 Tenasserim Hills Geography of Surat Thani province Tourist attractions in Surat Thani province 1980 establishments in Thailand