Lake Ladoga and Saint Petersburg in Northwestern Russia59.9N 30.3E
Lake Ladoga is a freshwater lake located in the Republic of Karelia and Leningrad Oblast in northwestern Russia, not far from Saint Petersburg (visible as a grey area west of the lake, by the shores of the Gulf of Finland).
It is the largest lake in Europe, and the 14th largest lake by area in the world. The lake’s area is 17,891 km² (excluding the islands). Its length (north to south) is 219 km, average width is 83 km, average depth is 51 m, maximum depth is about 230 m (in the north-western part).
Separated from the Baltic Sea by the Karelian Isthmus, it drains into the Gulf of Finland via the Neva River. It is also part of the Volga-Baltic Waterway connecting the Baltic Sea with the Volga River.