hidden Podporozhye District PODPOROZHYE DISTRICT, municipal entity. Population: 35,200. Area: 7705.5 sq. km. Located in the north-east of Leningrad Oblast. In the north-west and north, it borders Olonets, Pryazha, and Prionezhsky Districts of the Republic of Karelia; in the... more

hidden Svir River, the SVIR, a river in the north-east of Leningrad Oblast. Length: 224 km. Average flow rate at the mouth: 780 cu. m/s, catchment area: 84,400 sq. km. It flows from Lake Onega at its south-western end, crosses Podporozhye and Lodeynoye Pole Districts, and... more

hidden White Sea-Baltic Sea Waterway, the WHITE SEA-BALTIC SEA WATERWAY, a canal system connecting the White Sea and the Baltic Sea. It includes the White Sea-Baltic Canal, Lake Onega, Svir River, Ladoga Canals, and Neva River. It has access to the Volga-Baltic Waterway via Lake Onega. The... more