Mezen Bay department is required. There was a project to construct a tidal power station, Mezenskaya Tidal Power Plant, in the Mezen bay which would exploit the great height of the tides. The project has not been realized. 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
Onega Bay descendants) not later than in the 12th century. The selo of Soroki, currently Belomorsk, is known from that time. Most of the villages at the Onega Bay coast such as Purnema or Unezhma (now abandoned), are old Pomor villages, many of them still depend on fishery. Solovetsky Islands are on the World Heritage list, and there is intensive passenger sea traffic to the islands, mostly originating from Kem and Belomorsk. There are also regular but infrequent passenger connections between Arkhangelsk and the villages of the Onega Peninsula. Onega Bay The Onega Bay () is located in the Republic of Karelia