Ervynaygytgyn

Ervynaygytgyn (Russian: Эрвынайгытгын; Chukot: Ирвынейгытгын) is a freshwater lake in Iultinsky District, Chukotka Autonomous Okrug, Russian Federation.^[1] It has an area of about 15 km² (5.8 sq mi) (13.1 km² (5.1 sq mi)).^[2]

Ervynaygytgyn
Эрвынайгытгын / Ирвынейгытгын
Sentinel-2 image of the lake
Ervynaygytgyn Location in Chukotka Autonomous Okrug, Russian Far East
Location	Chukotka Autonomous Okrug
Coordinates	67°16′41″N 178°47′28″W
Type	Oligotrophic
Primary inflows	Irvyneyveem, Pytvytkovaam, Shchebenka
Primary outflows	Irvyneyveem
Catchment area	792 km2 (306 sq mi)
Basin countries	Russia
Max. length	8.3 km (5.2 mi)
Max. width	3.1 km (1.9 mi)
Surface area	ca 15 km2 (5.8 sq mi)
Average depth	20 m (0.012 mi)
Max. depth	35 m (0.022 mi)
Surface elevation	317 m (1,040 ft)
Islands	None

There are no permanent settlements on the shores of the lake.^[1]

The name of the lake in Chukot means "a lake near a sharp mountain."^[3]

Geography

Ervynaygytgyn is located in the Chukotka Mountains of the Chukotka Peninsula, about 30 km (19 mi) southwest of lake Ekityki and 35 km (22 mi) to the north of Yanranaygytgyn. The lake is elongated and stretches roughly from NW to SE. The western section is broad and the lake narrows towards its eastern end.^[4]

The lake lies in a swampy intermontane basin with a number of rivers flowing into it. The largest is the 106 km (66 mi) long Irvyneyveem, a tributary of the Amguema. It flows across the lake, entering it from the NW and flowing out of it from the southeastern end. Ervynaygytgyn freezes in the first half of September and stays under ice until June.^[5]

See also

• List of lakes of Russia