' is a lake in Finland. Due to a mismanaged drainage attempt during 1859, the lake was reduced by around one third of its size. It flows through a channel formed in the drainage attempt, called

Höytiäisenkanava Höytiäisen kanava is a river of Finland, or actually an artificial channel that was formed as a result of a mismanaged drainage attempt of the Lake Höytiäinen in Northern Karelia, Finland, in 1859. It flows from the lake Höytiäinen to the L ...

, into

Lake Pyhäselkä Pyhäselkä is a lake in Finland. It forms the northernmost part of the Saimaa Saimaa ( , ; sv, Saimen) is a lake located in the Finnish Lakeland area in southeastern Finland. At approximately , it is the largest lake in Finland, and the fou ...

in the province of

Northern Karelia North Karelia ( fi, Pohjois-Karjala; sv, Norra Karelen) is a region in eastern Finland. It borders the regions of Kainuu, North Savo, South Savo and South Karelia, as well as Russia's Republic of Karelia. It is the easternmost region of Finlan ...

. This flows into the

Vuoksi River The Vuoksi (russian: Вуокса, historically: "Uzerva"; fi, Vuoksi; sv, Vuoksen) 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 r ...

, then into the

Neva River The Neva (russian: Нева́, ) 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 i ...

delta and via Russia to the

Gulf of Finland The Gulf of Finland ( fi, Suomenlahti; et, Soome laht; rus, Фи́нский зали́в, r=Finskiy zaliv, p=ˈfʲinskʲɪj zɐˈlʲif; sv, Finska viken) is the easternmost arm of the Baltic Sea. It extends between Finland to the north and E ...

References

External links

* Juuka LHoytiainen Lakes of Polvijärvi Lakes of Kontiolahti {{EasternFinland-geo-stub