Xueyanhe River
| Selenga River (Селенга Сэлэнгэ) |
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| Selenge | |
 Selenga River in Russia
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| Primary source | Delgermörön River |
|---|---|
| Secondary source | Ider River |
| Source confluence | Olon golyn bilchir |
| - location | Khövsgöl, Mongolia |
| - coordinates | 49°15′40″N 100°40′45″E / 49.26111°N 100.67917°E |
| Mouth | Lake Baikal |
| Length | 992 km (616 mi) |
| Basin | 447,000 km2 (172,588 sq mi) |
| Discharge | for Ust-Kyakhta |
| - average | 284 m3/s (10,029 cu ft/s) |
| - max | 601 m3/s (21,224 cu ft/s) August |
| - min | 23 m3/s (812 cu ft/s) February |
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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.
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.
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Wikipedia