River flows from the main mountain passes south of Tavan Bogd Mountains into Khoton Nuur and then Kurgan Nuur and the Hovd River. This forested valley has an abundance of wildlife and various monuments. The part nearest the lakes is referred to as ”’Aral Tolgoi”’ or Island Hill in the UNESCO World Heritage Site documents and has petroglyphs, standing stones, and stone burial mounds. On Dongoroh Mountain and other mountains surrounding the valley are endangered Argali sheep and Ibex. A wide green valley to the south going has the Ak Suu hot springs (or more correctly ‘warm’ springs). The mountain range to the south and west of this valley is the border with China.