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
Finnish Ladoga Naval Detachment losses. In the spring 1942 Finnish commander made recommendations to German leadership past Finnish HQs leading to the formation of Naval Detachment K, which included the Finnish motor torpedo boat "Sisu", to the lake. They were also joined in summer 1942 by a German unit, the Einsatzstab Fähre Ost (EFO), of armed Siebel ferries. Operations of the Naval Detachment K or EFO had very limited success. When Germany decided to withdraw its naval assets from Ladoga in late 1942, the Finns bought two of the Siebel ferries, "T-2" and "T-17". Later, when the Soviets' 1944 offensive against the Finns began,