View of the river
|• location||Muroy Range, Olyokma-Stanovik Highlands|
|• elevation||1,500 m (4,900 ft)|
|115 m (377 ft)|
|Length||1,436 km (892 mi)|
|Basin size||210,000 km2 (81,000 sq mi)|
|• average||1,990 m3/s (70,000 cu ft/s)|
|Progression||Lena→ Laptev Sea|
In the summer of 1631, Russian pioneer Pyotr Beketov entered the Olyokma during his first voyage down the Lena and in 1636 he founded the present-day city of Olyokminsk near the mouth of the river on the left bank of Lena.
The river is 1,436 kilometres (892 mi) long, and has a drainage basin of 210,000 square kilometres (81,000 sq mi). The Olyokma rises in the Muroy Range, Olyokma-Stanovik Highlands (Олёкминский Становик), west of Mogocha. It flows north through remote terrain before joining the Lena near Olyokminsk.
To the west is the Vitim, to the south the Shilka and Amur, and to the east the upper Aldan. Its right tributary, the Tungir, leads to a portage to the Shilka. Other tributaries are the Nyukzha and the Chara.
- Media related to Olyokma River at Wikimedia Commons
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