Lake Pekulney (Russian: Пекульнейское озеро) is a lake of Anadyr District, Chukotka Autonomous Okrug, Russia. The lake has a basin area of 435 km² (168 sq mi) which makes it the second largest lake in the Chukotka Autonomous Okrug after Lake Krasnoye, and the 27th largest in area in Russia.^[1]

Quick Facts Location, Coordinates ...

Lake Pekulney
Пекульнейское озеро (Russian)
Lake Pekulney
Location	Anadyr District, Chukotka Autonomous Okrug
Coordinates	62°38′N 177°11′E
Primary inflows	Pekulveyem, Kakanaut and Kavtayo
Primary outflows	Main Channel
Basin countries	Russia
Max. length	34 km (21 mi)
Max. width	21 km (13 mi)
Surface area	435 km2 (168 sq mi)
Max. depth	10 m (33 ft)
Surface elevation	0.7 m (2 ft 4 in)

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There are commercial fisheries of sockeye salmon in the lake.

The Kakanaut Formation is a geological formation named after the small river flowing into the lake at the head of its northeastern bay.^[2]

Lake Pekulney is a coastal lagoon separated from the sea by a narrow spit at its southern end. It is roughly Y-shaped with Pekulveyem Bay in the northwest and Kakanaut Bay in the northeast. The Mayn Channel flows from it in the south connecting it with the Bering Sea.^[3]

Pekulney Lake is connected by channels with neighboring Lake Vaamochka to the west. The village of Meynypilgyno is located between both lakes, 3 km (1.9 mi) to the southwest of Lake Pekulney. The inner part of the lake has a fjord-like structure, with the mountains of the Ukvushvuynen Range, one of the foothills of the Koryak Mountains rising steeply from the shores of the lake's northern end, while the coast of the southern part is smooth and low. The banks are covered with tundra vegetation.^[1][4]

• List of lakes of Russia