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
Lake Ağgöl many regions of Azerbaijan a large part of which was concentrated in 84 settlements of Agjabadi raion. Some were placed in villages around Aggöl. Due to lack of food, this also caused increase in illegal fishing thus affecting the fauna of the lake. Lake Ağgöl Ağgöl (meaning "White Lake" in Azerbaijani) is a large salty lake in Kur-Araz Lowland, Agjabadi and Imishli raions of southeastern part of Azerbaijan. It is the second largest lake of Azerbaijan and one of about 450 lakes of the country. Ağgöl is considered one of the most important habitats in Azerbaijan as well as in