The Umphang Thee Lor Sue Waterfall (also The Lor Sue, Thee Lor Sue or Te-law-zue) is claimed to be the largest and highest waterfall in Thailand. The waterfall is located in the Umphang Wildlife Sanctuary, is the most beautiful and biggest in Thailand. Original from Huai Klotho, it flows down a mountain valley at high of 200-300 metres and a width of almost 400-500 metres. The falls flow down in tiers surrounded by virgin forest. In the wet season, Tee Lor Sue waterfall will be at it most beautiful. -