Leningrad Oblast of two great lakes of the European Part of Russia, Lake Ladoga and Lake Onega. Its northeastern part, between the Gulf of Finland and Lake Ladoga, occupies the Karelian Isthmus. Some islands in the Gulf of Finland (including Kotlin, on which the city of Kronstadt has been built) and Lake Ladoga (including Konevets) also belong to the oblast. Much of the area of the oblast belongs to the drainage basin of the Neva, which is the only outflow of Lake Ladoga. Whereas the Neva, which flows to the Gulf of Finland (the city of Saint Petersburg is located in its
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