Bhumibol Dam is the largest concrete curved dam in Thailand. Formerly known as Yanhee Dam, it changed its name in 1957 in honour of His Majesty the King. It is the eighth largest Dam in the world, blocking the Ping River at Khao Kaeo, Sam Ngao District, Tak Province. The reservoir can accommodate up to 13,462 million cubic metres of water.
The dam created 300 square kilometers of water surface. After passing through Chiang Mai, the Ping river flows through the provinces of Lamphun, Tak, and Kamphaeng Phet. At the confluence with the Nan River at Nakhon Sawan, it forms the Chao Phraya River.
Tak is often viewed as as a pass-through town when heading up to the northern parts of Thailand. But Tak is actually worth a longer visit. It’s has one of the largest forests in the Thailand.
Thi Lor Su Waterfall
Thi Lor Su Waterfall is the most beautiful waterfall in Thailand. It's a limestone waterfall with a height of 300 meters and a width of about 500 meters, located in Um Phang Wildlife Sanctuary, Um Phang District, Tak Province, centred in the rainforest.
Pe Tor Lor Su Waterfall
This is the highest waterfall in Thailand at 500 metres. The left and right waterfall flows together into a large V-shaped and create the white curtain water lapperaing like a heart. So it got the nickname 'heart-shaped waterfall'.