The Rauchua River is a stream in Far East Siberia. It passes through the sparsely populated areas of the Siberian tundra and flows northwards into the Kolyma Gulf

Kolyma Gulf

The Kolyma Gulf is the largest gulf of the East Siberian Sea...

, East Siberian Sea

East Siberian Sea

The East Siberian Sea is a marginal sea in the Arctic Ocean. It is located between the Arctic Cape to the north, the coast of Siberia to the south, the New Siberian Islands to the west and Cape Billings, close to Chukotka, and Wrangel Island to the east...

, not far west from Ayon Island

Ayon Island

Ayon Island is an island in the coast of Chukotka in the East Siberian Sea. The island itself consists mainly of low lying tundra, is populated mainly by Chukchi, who use the tundra as pasture for their reindeer herds.-Geography:...

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The Rauchua River and its tributaries belong to the Chukotka Autonomous Okrug

Chukotka Autonomous Okrug

Chukotka Autonomous Okrug , or Chukotka , is a federal subject of Russia located in the Russian Far East.Chukotka has a population of 53,824 according to the 2002 Census, and a surface area of . The principal town and the administrative center is Anadyr...

 administrative region of Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

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Remains of frozen mammoth

Mammoth

A mammoth is any species of the extinct genus Mammuthus. These proboscideans are members of Elephantidae, the family of elephants and mammoths, and close relatives of modern elephants. They were often equipped with long curved tusks and, in northern species, a covering of long hair...

s have been found near the Rauchua River.