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
Onega River Monastery on an island in the Lake Kozheozero. Some of the finest monuments of the northern wooden architecture are located in the basin of the Onega, including ensembles of Lyadiny, Saunino Pogost, Krasnaya Lyaga, and Bolzhaya Shalga. These monuments also suffer from the lack of protection and their number steadily diminishes. In fact, the majority of them have been lost. The river splits into the Big Onega and Little Onega Rivers from its estuary, but then these branches join again, forming a big flat island. It freezes up in late October - early December and stays under the ice until