White Sea small. The main island group is the Solovetsky Islands, located almost in the middle of the sea, near the entrance to Onega Bay. Kiy Island in Onega Bay is significant due to a historic monastery. Velikiy Island, located close to the shore, is the largest island in the Kandalaksha Gulf. The White Sea is a water-filled depression in the block of a continental shelf known as the Baltic Shield. Its bottom is very uneven and contains the Kandalaksha Hollow in the northwest and the Solovetsky Islands in the south. Also, the Onega Bay has many small underwater elevations. The opening
Arkhangelsk Oblast distinct population of polar bears associated with the Barents Sea area. Almost all of the area of the Oblast belongs to the basin of the Arctic Ocean, with the major rivers being (west to east) Onega River, Northern Dvina River (with the major tributaries the Vychegda, the Vaga, and the Pinega), Kuloy River, Mezen River, and Pechora River (Shapkina River being a major tributary). A minor area in the west of the Oblast, most notably the basin of the Ileksa River, drains into the Lake Onega and eventually to the Baltic Sea. A very minor area in Kargopolsky District in