Lake Undozero

Lake Undozero
Lake Undozero
Location	Arkhangelsk Oblast
Coordinates	62°38′N 38°47′E / 62.633°N 38.783°E / 62.633; 38.783Coordinates: 62°38′N 38°47′E / 62.633°N 38.783°E / 62.633; 38.783
Native name	Ундозеро  (Russian)
Primary inflows
Primary outflows
Catchment area	709 square kilometres (274 sq mi)[1]
Basin countries	Russia
Surface area	44.7 square kilometres (17.3 sq mi)[1]
Surface elevation	118 m (387 ft)

Lake Undozero (Russian: Ундозеро) is a freshwater lake, located in the west of Plesetsky District of Arkhangelsk Oblast in Russia. It is one of the biggest lakes in Arkhangelsk Oblast and the second biggest one in Plesetsky District. The area of the lake is 44.7 square kilometres (17.3 sq mi), and the area of its basin is 709 square kilometres (274 sq mi). Lake Undozero is the source of the , which belongs to the river basin of the Onega and thus to the White Sea basin.

The lake has a sophisticated shape and contains a number of islands. The source of the Undosha is in the south-western corner. The main tributary of the lake is the , which shortly upstream from the mouth accepts from the left a major tributary, the .

There are three villages on Lake Undozero, Skarlakhta, Pogost, and Mezen. Skarlakhta is connected by the railroad to the east via the settlement of Severoonezhsk with the railway station located on the railway line between Vologda and Arkhangelsk. The same railroad continues west to the village of Yangory. There have been plans to extend it west to Medvezhyegorsk, but these have never been realized. The railway belongs to the Department of corrections, and as a matter of fact, there are settlements around the village of Skarlakhta inhabited by convicted criminals who have previously served a part of their jail term. There is a regular passenger traffic on the railroad. There was an air field in Pogost. There are no all-season roads connecting Undozero with the main road network.

Undozero is popular as a starting point for rafting down the Undosha.^[2] Almost the whole course of the Undosha is not populated, with the exception of Lake Undozero and a number of villages close to its mouth at . (Downstream from Lake Pochozero, the Undosha changes its name to the and flows to Lake Kenozero). Therefore the rafters start in Skarlakhta and finish at Lake Kenozero. Before the railroad was constructed in the 1970s, the only way to get to Undozero for the rafters was to start in Severoonezhsk, take rafts upstream the , and them bring them to Undozero by land.

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