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) and Group Oinonen (also known as Group O, Cavalry Brigade, 1st Jaeger Brigade and 2nd Jaeger Brigade). Finnish 1st Division was kept in reserve. Finns planned to separate the defending the Soviet forces by reaching the shore of lake Ladoga and then advance along the shores of the lake. Opposing them were the Soviet 7th Army with the 168th Rifle Division near Sortavala and 71st Rifle Division north of Jänisjärvi ("Hare Lake"). The Soviets had prepared field fortifications along the border across Sortavala and at the important road crossings at Värtsilä and Korpiselkä. On July 9, the order for the