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 Kerch Port of Kerch Kerch Marine Trade Seaport (, ) is one of the oldest ports of Black Sea (and Sea of Azov) located in the city of Kerch on the eastern shores of Kerch peninsula at Kerch Bay. The port has 10 piers. Port of Kerch is located in close proximity to the Black Sea waterways of oil transportation, international transport corridors and the Bosphorus (the exit to the Mediterranean Sea). The port is located on the shores of the Kerch -freezing bay . On the coast of the Kerch Strait coldest months - January, February. The prevailing wind -