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
Bay Port, Michigan The main road through Bay Port is M-25, which follows the shore of Lake Huron, leading northeast to Port Austin and southwest to Bay City. M-142 intersects M-25 south of the center of Bay Port and leads east to Bad Axe, the Huron County seat. According to the U.S. Census Bureau, the Bay Port CDP has a total area of , of which are land and , or 0.96%, are water. Each year, during the first full weekend of August, Bay Port hosts its annual Fish Sandwich Festival. Bay Port's unofficial motto is "Where the fish caught the man", due