Oka River (Siberia)
| Oka | |
|---|---|
.jpg) |
|
| Country | Russia |
| Physical characteristics | |
| Main source | Sayan Mountains |
| River mouth | Angara River |
| Length | 630 km (390 mi) |
The Oka (Russian: Ока, Russian Buryat: Аха) is a river in Siberia, left tributary of the Angara River. It originates in the Sayan Mountains in western Buryatia and flows through Irkutsk Oblast. It flows for 630 km (391 mi), into the Bratsk reservoir.
Coordinates: 55°30′55″N 102°20′54″E / 55.51528°N 102.34833°E
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