Oka (river)

river in Russia, tributary of Volga

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
CountryRussia
CitiesOryol, Kaluga, Serpukhov, Kolomna, Ryazan, Murom, Dzerzhinsk, Nizhny Novgorod
Physical characteristics
Source 
 - locationOryol Oblast
 - coordinates52°21′45″N 36°13′20″E / 52.36250°N 36.22222°E / 52.36250; 36.22222
 - elevation226 m (741 ft)
MouthVolga
 - locationNizhny Novgorod
 - coordinates56°19′55″N 43°58′53″E / 56.33194°N 43.98139°E / 56.33194; 43.98139
 - elevation67 m (220 ft)
Length1,500 km (930 mi)
Basin size245,000 km2 (95,000 sq mi)
Discharge 
 - average1,260 m3/s (44,000 cu ft/s)

References

change
  1. "Река Ока". Russian State Water Registry (in Russian). Archived from the original on 2014-04-29. Retrieved 2020-05-26.