Koitajoki (or the ''Koita River'') () is a river in

Eastern Finland Eastern Finland (, ) was a province of Finland from 1997 to 2009. It bordered the provinces of Oulu, Western Finland and Southern Finland. It also bordered Russia to the east. History On September 1, 1997, the Mikkeli Province, the Kuopio Pr ...

and partly in Russia in Northern Europe. Having its origin near the international boundary in

Ilomantsi Ilomantsi (, ) is municipality and a village of Finland. It is located in the North Karelia region. The municipality has a population of () and covers an area of of which is water. The population density is . The easternmost point of Finland ...

Northern Karelia North Karelia (or ''Northern Karelia'', ; ) is a Regions of Finland, region in eastern Finland. It borders the regions of Kainuu, Northern Savonia, North Savo, Southern Savonia, South Savo and South Karelia, as well as Russia's Republic of Kare ...

, Finland, the Koitajoki River enters the

Republic of Karelia The Republic of Karelia, or simply Karelia or Karjala (; ) is a Republics of Russia, republic of Russia situated in the Northwest Russia, northwest of the country. The republic is a part of the Northwestern Federal District, and covers an area of ...

in Russia, before returning to Finland some further south. It then flows northwest through the

Petkeljärvi National Park Petkeljärvi National Park () is a national park in Ilomantsi in the North Karelia region of Finland. It was established in 1956 and covers . Its specialities are e.g. fortification from the Continuation War, some of which have been renovated, an ...

and the Kesonsuo bog area, and further downstream receives the outflow from Lake Koitere. The main part of the waters are then directed through a tunnel of the 84-megawatt Pamilo hydroelectric power plant, which bypasses some of the natural course of the lowest part of the river. Koitajoki is a tributary of Pielisjoki that flows from the lake

Pielinen Pielinen () is the fourth largest lake of Finland, with a drainage basin area of equally distributed between eastern Finland and Russia. The creation of the lake and its outlet is attributed to a post-glacial isostatic rebound, which resulted in ...

into

Lake Pyhäselkä Pyhäselkä is a lake in Finland. It forms the northernmost part of the Saimaa lake system. Geography * Pieni Laitasaari, island References External links

* Saimaa Lakes of Rääkkylä Lakes of Liperi {{EasternFinland-geo-stub ...

in Northern Karelia, Finland. It is part of the

Vuoksi River The Vuoksi (, historically: "Uzerva"; ; ; ) is a river running through the northernmost part of the Karelian Isthmus from Lake Saimaa in southeastern Finland to Lake Ladoga in northwestern Russia. The river enters Lake Ladoga in three branches ...

basin in Finland and Russia, which flows through

Lake Ladoga Lake Ladoga is a freshwater lake located in the Republic of Karelia and Leningrad Oblast in northwestern Russia, in the vicinity of Saint Petersburg. It is the largest lake located entirely in Europe, the second largest lake in Russia after Lake ...

in Russia and further through the

Neva River The Neva ( , ; , ) is a river in northwestern Russia flowing from Lake Ladoga through the western part of Leningrad Oblast (historical region of Ingria) to the Neva Bay of the Gulf of Finland. Despite its modest length of , it is the fourth-l ...

into the

Gulf of Finland The Gulf of Finland (; ; ; ) is the easternmost arm of the Baltic Sea. It extends between Finland to the north and Estonia to the south, to Saint Petersburg—the second largest city of Russia—to the east, where the river Neva drains into it. ...

References

Rivers of Finland Rivers of the Republic of Karelia Tributaries of the Vuoksi {{Russia-river-stub

See also

References