- location Khövsgöl, Mongolia Basin area 447,000 km² Basin area 447,000 km² Countries Mongolia, Russia | Length 1,024 km Discharge 284 m³/s Mouth Lake Baikal | |
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- average 284 m/s (10,029 cu ft/s) - max 601 m/s (21,224 cu ft/s) August - min 23 m/s (812 cu ft/s) February | ||
The Selenga River (Selenge River, Mongolian: Сэлэнгэ мөрөн, Selenge mörön; Buryat: Сэлэнгэ гол, Selenge gol, Сэлэнгэ мүрэн, Selenge müren; Russian: Селенга́) is a major river in Mongolia and Buryatia, Russia. Its source rivers are the Ider River and the Delgermörön river. It flows into Lake Baikal and has a length of 992 kilometres (616 mi) or 1,024 kilometres (636 mi), according to other sources. The Selenga River is the headwaters of the Yenisei-Angara River system. Carrying 935 cubic metres per second (33,000 cu ft/s) of water into Lake Baikal, it comprises almost half of the riverine inflow and forms a wide delta of 680 square kilometres (260 sq mi), when it reaches the lake.
Map of Selenge
The name derives from Mongolian verb "seleh" (to swim). According to another version, the name originated with the Evenki sele 'iron' + -nga (suffix) . Selenge Province in Mongolia is derived from the name of this river.