In Marma language, the word 'khum' refers to waterfall. Debotakhum is a khum located at Roangchhari in the Bandarban district. It is situated at Shilbandha Para in Roangchhari upazilla (semi-district), 20km away from the Bandarban district. According to the locals, this khum is about 50 to 70 feet deep and 600 feet long which is much larger than Velakhum (the other nearby khum) and also much wider. There is a huge jungle on both sides of this khum. Due to the steep hills, direct sunlight can not enter inside the khum and it gets cold down there. The place is calm, quiet, noise-free and the water is clear and fresh. While riding on a bamboo raft and going inside this khum, gives travelers a thrilling adventure