Onega River Kozhozero, as well as Kenozersky National Park. The whole valley of the Onega is populated, with the exception of the stretch between Severoonezhsk and Yarnema, in Plesetsky District. There are two towns located on the Onega River, Kargopol close to its source and Onega in its mouth. There are also two urban-type settlements, located opposite to each other in the middle course of the river, Oksovsky (right bank) and Severoonezhsk (left bank). of the river's lower course, between the village of Gorodok and the selo of Porog, is listed in the State Water Register of Russia as navigable. The rest
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