Onega

Onega can refer to several geographic features in Russia, most notably Lake Onega and the town of Onega, with a related coastal feature known as Onega Bay.

Lake Onega is a large freshwater lake in the northwest of Russia, lying mainly in the Republic of Karelia with a portion in Leningrad Oblast. It covers about 9,700 square kilometers, making it the second-largest lake in Europe by area after Lake Ladoga. The lake reaches depths of up to around 127 meters and contains numerous islands, including Kizhi Island, home to the Kizhi Pogost, a UNESCO World Heritage site featuring medieval wooden churches. Lake Onega is part of a hydrological system connected to the Baltic Sea via the Svir and Neva river basins, forming part of the Baltic trade network. Local economic activity around the lake includes fishing, forestry, tourism, and transport.

The name Onega also refers to the town of Onega, a small locality in Arkhangelsk Oblast, Russia. It is the administrative center of Onezhsky District and lies on the Onega River near its delta in the White Sea. The town has historically functioned as a river port with industries linked to timber, fishing, and shipping.

In addition, Onega Bay is a gulf of the White Sea formed by the mouth of the Onega River. The bay lies adjacent to the town and district and contributes to the coastal geography of the area.