river in Russia, tributary of Volga From Wikipedia, the free encyclopedia
The Oka (Russian: Ока́, IPA: [ɐˈka]) is a river in Russia. It is a tributary of the Volga River. The Moskva River, which is the main river in Moscow, flows into it. The river is very long and is 1,500 km (930 mi) long.[1]
Oka Ока́ | |
---|---|
![]() The Oka riverbank in Nizhny Novgorod | |
![]() Map of the Volga watershed with the Oka highlighted | |
Location | |
Country | Russia |
Cities | Oryol, Kaluga, Serpukhov, Kolomna, Ryazan, Murom, Dzerzhinsk, Nizhny Novgorod |
Physical characteristics | |
Source | |
- location | Oryol Oblast |
- coordinates | 52°21′45″N 36°13′20″E |
- elevation | 226 m (741 ft) |
Mouth | Volga |
- location | Nizhny Novgorod |
- coordinates | 56°19′55″N 43°58′53″E |
- elevation | 67 m (220 ft) |
Length | 1,500 km (930 mi) |
Basin size | 245,000 km2 (95,000 sq mi) |
Discharge | |
- average | 1,260 m3/s (44,000 cu ft/s) |
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