Thi Lo Su Waterfall is located in the Umphang Wildlife Sanctuary, a UNESCO World Heritage site, which links with the Thung Yai Naresuan and Huay Kha Kaeng Reserves, as well as Khlong Lan and Mae Wong National Parks. Together, they form Thailand's largest wildlife haven and Southeast Asia's top virgin forest. Thi Lo in the local language means waterfall and Su means loud, thus, Thi Lo Su means waterfall that makes a loud noise. This is due to its size and the intense flow of the stream. In Karen, "Thi Lo Su" means Black Waterfall. The biggest and the most beautiful waterfall in Thailand, Thi Lo Su waterfall is also considered the sixth biggest waterfall in the world. The waterfall itself originates from Huai Klotho, streaming along limestone cliffs at the height of 200-300 meters down to cascading tiers which are surrounded by intact natural forests. There is a cave behind the waterfall worth exploring and several levels of pools for swimming.
Location : Tak
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