Lake Kovzhskoye Lake Kovzhskoye Lake Kovzhskoye () is a freshwater lake, located in the center of Vytegorsky District of Vologda Oblast in Russia. It is one of the biggest lakes in Vologda Oblast and the second biggest one in Vytegorsky District behind Lake Onega. The area of the lake is , and the area of its basin is . The main tributary of the lake is the Iles River. Lake Kovzhskoye is the source of Kovzha River, one of the principal tributaries of Lake Beloye. The lake belongs to the basins of the Volga and the Caspian Sea. The lake has a
White Sea–Baltic Canal waterway length is , of which are man-made. The current flows north from Lake Onega to the White Sea, and all navigation marks are set according to it. Once in Lake Onega, ships can exit the southwest shore through the Svir River (and its two locks) to reach Lake Ladoga and then proceed down the Neva River to Saint Petersburg and the Baltic Sea. Alternatively, from Lake Onega river ships can sail eastward into the Volga–Baltic Waterway. The canal begins near Povenets settlement in Povenets bay of Lake Onega. After Povenets there are seven locks close together, forming the "Stairs