Onega, Russia Onega, Russia Onega () is a town in the northwest of Arkhangelsk Oblast, Russia, situated at the mouth of the Onega River, a few kilometers from the shore of the Onega Bay of the White Sea. Population: The Pomor village of Ust-Onega () was first mentioned in Novgorodian documents in the 14th century. It was chartered on August 19, 1780, after Pyotr Shuvalov had sold his rights to fell timber to English industrialists who built several sawmills there. Since 1784, Onega was the administrative center of Onezhsky Uyezd. Within the framework of administrative divisions, Onega serves as the administrative center
Arkhangelsk Oblast the south-west of the Oblast drains into the Kema River which belongs to the basin of the Caspian Sea. The area in the Onega River basin containing the biggest lakes in the oblast, such as Lake Lacha, Lake Kenozero, Lake Undozero, and Lake Kozhozero. The tundra of the Nenets Autonomous Okrug also contains a number of bigger lakes. The river basin of the Pinega is characteristic of the karst, with a number of caves in the region. The White Sea coast within the Oblast is split into the Onega Bay (where the Onega is the major tributary), the Dvina Bay