The three highest peaks of Bangladesh - Tahjindong (1280 meters, also known as Bijoy), Mowdok Mual (1052 meters), and Keokradong (883 metres) - are located in Bandarban district, as well as Raikhiang Lake, the highest lake in Bangladesh. Heights measured with Garmin GPSMAP60CSX GPS are Tahjindong (1280 meters), Mowdok Mual (1052 m), and Keokradong (1230 m). Chimbuk Peak and Boga Lake are two more highly noted features of the district. The Sangu River (also known as Sangpo or Shankha), the only river born inside Bangladesh territory, runs through Bandarban. The other rivers in the district are Matamuhuri and Bakkhali. Parts of Kaptai Lake, the biggest lake in Bangladesh, fall under the district.