3. Seliger LakeOstashkov Seliger is a lake in Ostashkovsky District of Tver Oblast and, in the extreme northern part, in Demyansky District of Novgorod Oblast of Russia, in the northwest of the Valdai Hills, a part of the Volga basin. It has the absolute height of 205 metres , the area of 212 square kilometres , and the average depth of 5.8 metres . Lake Seliger is a large system of lakes linked by effluents, has many small islands and is surrounded by forests, including pine woods with many berries and mushrooms. It is one of the biggest natural lakes of Central Russia. The only outflow of the lake, the Selizharovka River, has its source at the southern end of the lake and drains into the Volga. The drainage basin of the lake includes the major part of Ostashkovsky District, south of Demyansky District, as well a... From Wikipedia, the free encyclopedia.
7. Volga RiverRussia The Volga is the longest river in Europe. It is also Europe's largest river in terms of discharge and drainage basin. The river flows through central Russia and into the Caspian Sea, and is widely regarded as the national river of Russia. Eleven of the twenty largest cities of Russia, including the capital, Moscow, are located in the Volga's drainage basin. Some of the largest reservoirs in the world are located along the Volga. The river has a symbolic meaning in Russian culture and is often referred to as Волга-матушка Volga-Matushka in Russian literature and folklore. From Wikipedia, the free encyclopedia.