The Chaun River is a stream in Far East Siberia. It flows roughly northwards, passing through the sparsely populated areas of the Siberian tundra.
The Chaun River flows into the 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...

 at the Chaunskaya Bay

Chaunskaya Bay

The Chaunskaya Bay or Chaun Bay is an Arctic bay in the East Siberian Sea, in the Chaunsky District of Chukotka, northeast Siberia.The bay is open to the north and is 140 km in length. Its maximum width is 110 km. Its mouth is defined by Cape Shelagsky to the east and an unnamed part of...

, 100 km S of Pevek

Pevek

Pevek is a town and Arctic port in Chaunsky District, part of the Chukotka Autonomous Okrug, Russia. After Anadyr and Bilibino it is the third largest town in Chukotka. Population: Municipally, the town is subordinated to Chaunsky Municipal district and together with Apapelgino and Yanranay, is...

 city. Its mouth is close to the mouth of the Palyavaam River

Palyavaam River

The Palyavaam River is a stream in Far East Siberia flowing in a roughly westward direction. It passes through the sparsely populated areas of the Siberian tundra and flows into the East Siberian Sea at the Chaunskaya Bay...

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Its most important tributaries are the Ugatkyn from the left side and the Malyy Chaun from its right side. The Chaun river gives the Chaunskaya Guba (or Bay) its name.

The Chaun 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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