Onega River traversed by ferry crossings. Onega River The Onega (; ) is a river in Kargopolsky, Plesetsky, and Onezhsky Districts of Arkhangelsk Oblast in Russia. The Onega connects Lake Lacha with the Onega Bay in the White Sea southwest of Arkhangelsk, flowing in the northern direction. The discharge at the source is and at the mouth is . The river is long, and the area of its basin . Its main tributaries are the Voloshka (right), the Kena (left), the Mosha (right), the Kodina (right), and the Kozha (left). The major tributary of the Lake Lacha is the Svid. The name
Onega, Russia of Onezhsky District, even though it is not a part of it. As an administrative division, it is, together with three rural localities, incorporated separately as the town of oblast significance of Onega—an administrative unit with the status equal to that of the districts. As a municipal division, the town of oblast significance of Onega is incorporated within Onezhsky Municipal District as Onezhskoye Urban Settlement. The economy of the town is based on timber industry. There is also production of construction materials. Onega is a minor port on a bay on the White Sea, which routinely freezes in winter. The