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Cheow Lan Lake

165 km² of emerald water between limestone karsts, created when the Ratchaprapha Dam flooded the valleys in 1987.

The heart of the jungle

Contrary to popular opinion, the lake does not take up a major part of Khao Sok National Park, accounting for only about 22 percent of the park’s total landmass. However it is a major attraction for visitors to Khao Sok, who can hire local boats for day trips, and to overnight in one of the many raft house accommodation options on the lake. These are both government and privately-owned bungalows that enable visitors to spend a night or two floating on the lake enjoying the beauty of the natural surroundings. All sorts of activities can be carried out on the lake including trekking, visits to a number of stunning waterfalls and cave complexes, kayaking and rock climbing.

Go by longtail

Price for Single: 2,600 THB per person Price for 2 person+: 2,600 THB per person One of Khao Sok National Park’s hidden gems, Cheow Lan Lake is a pristine body of water surrounded by awe-inspiring limestone karst mountains. Known also as Ratchaprabha Dam, it spans 165 km² and serves as the heart and soul of the jungle. This stunning lake is an unmissable destination for nature lovers.

Price for Single: 6,550 THB per person Price for 2 person+: 4,800 THB per person One of Khao Sok National Park’s hidden gems, Cheow Lan Lake is a pristine body of water surrounded by majestic limestone karst mountains. Also known as Ratchaprabha Dam, it spans an incredible 165 km² and serves as the heart and soul of the jungle. This beautiful lake offers an unforgettable experience.

All experiences

"Light of the Kingdom"

The Ratchaprapha Dam translates to “Light of the Kingdom” in Thai. It was built to power Surat Thani province and the south with hydropower.

Read the full history

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