Lake Ladoga Stolbovo, the northern and western coast was ceded by Russia to Sweden. In 1721, after the Great Northern War, it was restitution to Russia by the Treaty of Nystad. Later, in 1812–1940 the lake was shared between Finland and Russia. According to the conditions of the 1920 Tartu Peace Treaty militarization of the lake was severely restricted. However, both Soviet Russia and Finland had flotillas in Ladoga (see also Finnish Ladoga Naval Detachment). After the Winter War (1939–40) according to the Moscow Peace Treaty, Ladoga, previously shared with Finland, became an internal basin of the Soviet Union. During the Continuation
Ladoga Canal rafts heading towards St. Petersburg every year, but silted up so badly that Alexander II's government decided that it was more practicable to build a new canal instead of repairing the old facilities. The New Ladoga Canal was built closer to Lake Ladoga between 1866 and 1883. The Old Ladoga Canal was overgrown with grass and had become disused by 1940. The New Ladoga Canal is still used by small boats. Ladoga Canal The Ladoga Canal (, "Ladozhsky Canal") is a historical water transport route, now situated in Leningrad Oblast, linking the Neva and the Svir River so as to