Lake Onega Lake Onega Lake Onega (also known as Onego, ; or ; or ; or ) is a lake in the north-west European part of Russia, located on the territory of Republic of Karelia, Leningrad Oblast and Vologda Oblast. It belongs to the basin of the Baltic Sea, Atlantic Ocean, and is the second largest lake in Europe after Lake Ladoga. The lake is fed by about 50 rivers and is drained by the Svir River. There are about 1,650 islands on the lake. They include Kizhi, which hosts a historical complex of 89 orthodox wooden churches and other wooden constructions
Lake Onega Lake Onega has a surface area of without islands and a volume of ; its length is about and width about . It is the second largest lake in Europe, and the 18th largest lake by area in the world. Its southern banks are mostly low and continuous, whereas northern banks are rocky and rugged. They contain numerous elongated bays shaping the lake into a giant crayfish. In the northern part lies a large Zaonezhye Peninsula (); south of it, is the Big Klimenetsky () island. To the west of them lies the deep (deeper than ) Greater Onega ()