Lake Onega Reservoir has an area of and volume of , i.e. almost the same as those of Onega Lake. Its construction raised the water level of the lake by . The lake contains a well-developed navigation system which is part of the Volga–Baltic Waterway and White Sea – Baltic Canal, connecting the basins of Baltic, Caspian and the northern seas. These canals allow water transport of goods from the lake to the countries from Germany to Iran; most traffic goes to Finland, Sweden, Germany and Denmark. The Onega Canal running along the southern shore of the lake there is not used
Onega Peninsula one of the Kazakov's books of short stories is "Poedemte v Lopshengu" — Let us go to Lopshenga. The economy of the peninsula is based on the timber production and fishery. The village of Luda is connected by an all-season road to Severodvinsk and Onega. There is a boat ferry across the Una Bay. Other villages at the coast have infrequent air and sea connections to Onega and Arkhangelsk. A national park, Onezhskoye Pomorye National Park, was opened on the coast of the Onega Peninsula in 2013 to protect pristine forests. Onega Peninsula The Onega Peninsula is located in Arkhangelsk