Lake Lyokshmozero Lake Lyokshmozero Lake Lyokshmozero () is a freshwater lake, located in the north-west of Kargopolsky District of Arkhangelsk Oblast in Russia. It is one of the biggest lakes in Arkhangelsk Oblast and the second biggest in Kargopolsky District (after Lake Lacha). The area of the lake is , and the area of its basin is . Lake Lyokshmozero is the source of Lyokshma River, a tributary of Lake Lacha. The lake thus belongs to the Onega River basin and the White Sea basin. The lake is located close to the border of Arkhangelsk Oblast and Republic of Karelia. It belongs
Lake Onega Lake Onega has a surface area of without islands and a volume of ; its length is about and width about . It is the second largest lake in Europe, and the 18th largest lake by area in the world. Its southern banks are mostly low and continuous, whereas northern banks are rocky and rugged. They contain numerous elongated bays shaping the lake into a giant crayfish. In the northern part lies a large Zaonezhye Peninsula (); south of it, is the Big Klimenetsky () island. To the west of them lies the deep (deeper than ) Greater Onega ()