Lake Onega

Lake Onega
Lake Onega
	Lake Onega
Coordinates	61°41′26″N 35°39′20″E / 61.69056°N 35.65556°E
Primary inflows	58 rivers (Shuya, Suna, Vodla, Vytegra, Andoma)
Primary outflows	Svir
Basin countries	Russia
Max. length	245 km (152 mi)
Max. width	91.6 km (56.9 mi)
Surface area	9,891 km2 (3,819 sq mi)
Average depth	30 m (98 ft)
Max. depth	127 m (417 ft)
Water volume	291 km3 (70 cu mi)
Surface elevation	33 m (108 ft)
Islands	1,369 (Kizhi Island)
Settlements	Kondopoga, Medvezhyegorsk, Petrozavodsk, Pindushi, Povenets

Lake Onega (/oʊˈnɛɡə/; also known as Onego; Оне́жское о́зеро, IPA: [ɐˈnʲɛʂskəɪ ˈozʲɪrə]; Finnish: Ääninen, Äänisjärvi; Livvi: Oniegujärvi; Veps: Änine, Änižjärv) is a lake in northwestern Russia, on the territory of the Republic of Karelia, Leningrad Oblast and Vologda Oblast. It belongs to the basin of the Baltic Sea, and is the second-largest lake in Europe after Lake Ladoga, slightly smaller than Lebanon. The lake is fed by about 50 rivers and is drained by the Svir.

There are about 1,650 islands on the lake. They include Kizhi, which hosts a historical complex of 89 Orthodox churches and other wooden structures of the 15th–20th centuries. The complex includes a UNESCO World Heritage Site, Kizhi Pogost. The eastern shores of the lake contain about 1,200 petroglyphs (rock engravings) dated to the 4th–2nd millennia BC, which have also been inscribed as a UNESCO World Heritage Site. The major cities on the lake are Petrozavodsk, Kondopoga and Medvezhyegorsk.