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 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 bypass the stormy waters of Lake Ladoga which lies immediately to the northwest. It is about long and comprises two distinct but overgrown canals, Old Ladoga Canal (built in 1719–1810, previously known as Peter the First Canal) and New Ladoga Canal (built in 1866–1883), running in parallel from Sviritsa on the Svir through Novaya Ladoga on the Volkhov to Shlisselburg on the Neva. The Ladoga Canal was one of the first