drainage basin
A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...
of . It flows through the Nizhneanadyrskaya lowlands, a region of wetlands, small lakes and tundra into the
Bering Sea
The Bering Sea ( , ; rus, Бе́рингово мо́ре, r=Béringovo móre, p=ˈbʲerʲɪnɡəvə ˈmorʲe) is a marginal sea of the Northern Pacific Ocean. It forms, along with the Bering Strait, the divide between the two largest landmasse ...
at the
Anadyr Bay
The Gulf of Anadyr, or Anadyr Bay (), is a large bay on the Bering Sea in far northeast Siberia. It has a total surface area of
Location
The bay is roughly rectangular and opens to the southeast. The corners are (clockwise from the south) Cape ...
.
The Avtatkuul and its tributaries belong to the
Chukotka Autonomous Okrug
Chukotka ( ; ), officially the Chukotka Autonomous Okrug, is the easternmost federal subjects of Russia, federal subject of Russia. It is an Autonomous okrugs of Russia, autonomous okrug situated in the Russian Far East, and shares a border wi ...
administrative region of
Russia
Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
. The Avtatkuul wetlands surrounding the river are a Wildlife Refuge.