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 at present. Cargo on Lake Onega amounts to 10–12 million tonnes per year with about 10,300 ship voyages. Lake shores contain two ports (Petrozavodsk and Medvezhyegorsk), 5 wharves (Kondopoga, Povenets, Shala, Vytegra and Ascension ()) and 41 piers. Fishery is an important activity on the lake. About 17 species are being fished commercially, mostly European cisco, smelt, whitefishes, roaches, burbot, pike-perch, perch, ruffe, carp bream, lake salmon, pike and somewhat less ide, graylings, common dace, common bleak and crucian carp. Whereas there is no regular passenger service on the lake, there are several tourist trips per day along the routes