Oka | |
---|---|
Mouth location in Irkutsk Oblast, Russia | |
Location | |
Country | Russia |
Physical characteristics | |
Source | |
• location | Oka Plateau, Sayan Mountains |
Mouth | Angara |
• location | Bratsk Reservoir |
• coordinates | 55°30′55″N 102°20′54″E / 55.51528°N 102.34833°E |
Length | 630 km (390 mi) |
Basin size | 34,000 km2 (13,000 sq mi) |
Basin features | |
Progression | Angara→ Yenisey→ Kara Sea |
The Oka (Russian: Ока, Buryat: Аха, romanized: Akha) is a river in Siberia, left tributary of the Angara. It is 630 kilometres (390 mi) long, and has a drainage basin of 34,000 square kilometres (13,000 sq mi).[1]