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
Port of Arkhangelsk m total usable area for warehousing - 292,000 m², including closed storage - 40,000 m², open tarmac - 250 000 m². Customs warehouses 2000m ². In Arkhangelsk port is the only container terminal in the North, including the open space area of 98,000 m², which can contain 5762 TEUs at the same time, including up to 200 reefer containers and 2,200 containers with dangerous goods. Bandwidth container terminal 75000 TEUs per year. Port of Arkhangelsk Port of Arkhangelsk () is a major seaport at Arkhangelsk, located at the mouth of the Northern Dvina River, 50 km from the Dvina Bay