Lake Ladoga territory. Ladoga became an internal Soviet basin once again. The northern shore, Ladoga Karelia with the town of Sortavala, is now part of the Republic of Karelia. The western shore, Karelian Isthmus, became part of Leningrad Oblast. Lake Ladoga Lake Ladoga ( or ; [earlier in Finnish "Nevajärvi"]; ; ) is a freshwater lake located in the Republic of Karelia and Leningrad Oblast in northwestern Russia, in the vicinity of Saint Petersburg. It is the largest lake entirely in Europe, and the 14th largest freshwater lake by area in the world. "Ladoga Lacus", a methane lake on Saturn's moon Titan,
Lake Komsomolskoye the Lake Ladoga depression, a graben and syncline structure of Proterozoic age (Precambrian). Deglaciation following the Weichsel glaciation took place in the Lake Ladoga basin between 12,500 and 11,500 radiocarbon years BP. During the existence of Lake Komsomolskoye there have been three sharp drops in the water level, so that the shore consists of small but distinctive terraces formed on the banks. The shores of the lake are indented with several bays and inlets, overgrown with sedges and reeds. On the south-eastern shore of the lake is the village of . At the northern extremity of the lake are the