Mezen Bay Mezen Bay The Mezen Bay () is located in Arkhangelsk Oblast and Nenets Autonomous Okrug in Northwestern Russia. It is one of four large bays and gulfs of the White Sea, the others being the Dvina Bay, the Onega Bay, and the Kandalaksha Gulf. The Mezen Bay is the easternmost of these, as it lies to the south of the Kanin Peninsula. Morzhovets Island lies at the entrance of the bay. The two main rivers emptying into the Mezen Bay are the Kuloy River, and the Mezen River. The area of the bay is . The Mezen Bay is long
Onega, Russia town is also served by the Arkhangelsk–Murmansk rail line, which branches off in Obozerskaya railway station from the railroad between Moscow and Arkhangelsk and runs west to Onega and Belomorsk where it joins the railroad between Petrozavodsk and Murmansk. The railroad was built during World War II to secure the transport of goods from the harbor of Murmansk to central Russia. Onega is connected to Severodvinsk by a road. There are no all-seasonal roads on the left bank of the Onega River. The Onega is navigable downstream from the "selo" of Porog; there is regular passenger navigation. There is also