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Lake Koolen

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Primary outflows  Koolenveyem
Max. length  15 km (9.3 mi)
Surface elevation  42 m
Basin countries  Russia
Max. width  1.5 km (0.93 mi)
Area  264 km²
Lake Koolen
Location  Chukotsky District, Chukotka Autonomous Okrug
Primary inflows  Gytgykoymavaam, Endoyguem

Koolen (Eskimo–Aleut Koglu) is a lake of Chukotsky District, Chukotka Autonomous Okrug, Russia. Its name originated in the Chukchi word Koolёn, a fault or deep chasm.


Map of Koolen', Chukotka Autonomous Okrug, Russia, 689300


Koolen is a long and narrow lake located in the Inan Range area, at the eastern end of the Chukotka Peninsula, 13 km from the coast of the Chukchi Sea. The highest point near the lake is Mount Yttyvyt, a 939-metre-high (3,081 ft) mountain.

Koolen has a tectonic origin. Its water has a very weak content in minerals and is very transparent. The lake has a deep-blue tint and in the areas of greater depths the blue is so dark that it looks almost black. The area around the lake is uninhabited, the nearest town is Lavrentiya, located 44 km to the southwest.


Lake Koolen Wikipedia

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