Onega River 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 of the river is
Lake Vozhe Vozhega and the Modlona. The lake freezes up in October - November (some parts freeze to the very bottom) and stays icebound until May. Administratively, the lake is divided between Kirillovsky District (west) and Vozhegodsky District (east) of Vologda Oblast. The northern shore belongs to Kargopolsky and Konoshsky District of Arkhangelsk Oblast, but the boundary between the oblasts is drawn such that the whole area of the lake is in Vologda Oblast. In terms of the area, Lake Vozhe is the third natural lake of Vologda Oblast (behind Lake Onega and Lake Beloye and just ahead of Lake Kubenskoye) and