Orkhon River in Mongolia. It rises in the Khangai Mountains of Arkhangai aimag and flows northwards for 1,124 km (698 mi) before joining the Selenge River, which flows north into Russia and Lake Baikal. The Orkhon is longer than the Selenge, making it the longest river in Mongolia. Major tributaries of the Orkhon river are the Tuul River and Tamir River.
Mountain Ovoo with ger camp on the far background. An oovo is a shamanistic collection of stones, wood or other offerings to the gods, usually found in high places. Monkhe Tingri, Central Mongolia.