Yövesi (; literally "night water") is a sub-lake of the lake

Saimaa Saimaa ( , ; ) is a lake located in the Finnish Lakeland area in southeastern Finland. With a surface area of approximately , it is the largest lake in Finland, and the fourth-largest natural freshwater lake in Europe. The name Saimaa likely co ...

in eastern

Finland Finland, officially the Republic of Finland, is a Nordic country in Northern Europe. It borders Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of Bothnia to the west and the Gulf of Finland to the south, ...

. It is located in

Mikkeli Mikkeli (; ; ; ) is a List of cities and towns in Finland, city in, and the regional capital of, South Savo, Finland, located in the Finnish Lakeland. The population is approximately , while the Mikkeli sub-region of Southern Savonia has a populat ...

municipality in the

Southern Savonia South Savo (or Southern Savonia; ; ) is a Regions of Finland, region in the south-east of Finland. It borders the regions of North Savo, North Karelia, South Karelia, Kymenlaakso, Päijät-Häme, and Central Finland. The total area of South Savo ...

region. Part of the

lake system, it borders on the system of Pihlajavesi to the east. The deepest point of the whole Saimaa is in Yövesi, in Käenniemenselkä open area. The

Astuvansalmi rock paintings The Astuvansalmi rock paintings () are located in Ristiina, Mikkeli, Southern Savonia, Finland at the shores of the lake Yövesi, which is a part of the large lake Saimaa. The paintings are 7.7 to 11.8 metres above the water-level of lake Saimaa ...

are situated in the northern shore of Yövesi. The critically endangered fish

Arctic char The Arctic char or Arctic charr (''Salvelinus alpinus'') is a cold-water fish in the family Salmonidae, native to alpine lakes, as well as Arctic and subarctic coastal waters in the Holarctic realm, Holarctic. Distribution and habitat It Spaw ...

lives in Yövesi. Fishing of Arctic char is totally prohibited.

References

Saimaa Lakes of Mikkeli {{EasternFinland-geo-stub