Lake Peipus the town. Near Kallaste, there is one of the largest surfacings of Devonian sandstone with a length of and a maximum height of , as well as several caves and one of the largest colonies of swallows in Estonia. Lake Peipus Lake Peipus (; ; ) is the largest transboundary lake in Europe, lies on the border between Estonia and Russia. The lake is the fifth-largest in Europe after Lake Ladoga and Lake Onega (in Russia north of St. Petersburg), Lake Vänern (in Sweden), and Lake Saimaa (in Finland). Lake Peipus represents a remnant of a body of water which
Finnish reconquest of Ladoga Karelia (1941) had already reached the shore of lake Ladoga at Lahdenpohja and cut the Soviet divisions north-west of lake Ladoga from their intended withdrawal routes. Near Sortavala the attacking Finnish forces of 2nd, 7th and 19th division were reorganized into the I Army Corps and the town fell to the Finnish forces on August 15. The defending Soviet forces of the 168th Rifle Division withdrew along the coast but were encircled. The Soviets managed to evacuate most of the manpower on barges over the lake Ladoga. Finns captured large amounts of war material that the Soviets had not been able to