Lake Peipus 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 existed in this area during an Ice Age. It covers , and has an average depth of , the deepest point being . The lake has several islands and consists of 3 parts: The lake is used for fishing
Lake Onega and date back to between the 4th and 2nd millennia BC. There are about 1,200 petroglyphs scattered over the area including several capes, such as Besov Nos (see map above). The engravings are deep and depict animals, people, boats and geometrical shapes of circular and crescent shapes. Many other historical monuments are scattered around the lake. They include Svyat-Uspensky monastery on the cape of Murom, on the eastern shore of the lake. The monastery was founded in 1350, closed in 1918 and restored in 1991. Lake Onega Lake Onega (also known as Onego, ; or ; or ; or )