Lake Leksozero is a large freshwater lake

Lake

A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and are larger and deeper than ponds. Lakes can be contrasted with rivers or streams,...

 in the Republic of Karelia

Republic of Karelia

The Republic of Karelia is a federal subject of Russia .-Geography:The republic is located in the northwestern part of Russia, taking intervening position between the basins of White and Baltic seas...

, Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

. It has an area of 166 km² and an average depth of 8.6 m. It freezes up in November and stays icebound until May. There are many islands on the lake. Leksozero is used for fishery

Fishery

Generally, a fishery is an entity engaged in raising or harvesting fish which is determined by some authority to be a fishery. According to the FAO, a fishery is typically defined in terms of the "people involved, species or type of fish, area of water or seabed, method of fishing, class of boats,...

. The lake drains trough the river Lieksanjoki

Lieksanjoki

Lieksanjoki is a river of Finland and Russia that begins in the Republic of Karelia in Russia. It flows into the Lake Pielinen in Northern Karelia, Finland. Parts of its basin in Russia are the lakes Lake Leksozero and Lake Tulos in the Republic of Karelia...

 that flows into the lake Pielinen

Pielinen

Pielinen is the fourth largest lake of Finland, with a drainage basin area of that is 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 uplift of the land...

 in Northern Karelia, Finland

Finland

Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...

. These lakes are part of the Vuoksi River

Vuoksi River

The Vuoksi River runs in 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, an older main northern branch at Priozersk , a smaller branch few km...

 basin in Finland and Russia, which in turn is part of the Neva River

Neva River

The Neva is a river in northwestern Russia flowing from Lake Ladoga through the western part of Leningrad Oblast to the Neva Bay of the Gulf of Finland. Despite its modest length , it is the third largest river in Europe in terms of average discharge .The Neva is the only river flowing from Lake...

basin in Russia.