The Biya (; , ''Biy'') is a

river A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...

in the

Altai Republic The Altai Republic, also known as the Gorno-Altai Republic, is a republic of Russia located in southern Siberia. The republic borders Kemerovo Oblast to the north, Khakassia to the northeast, Tuva to the east, Altai Krai to the west, as well ...

and

Altai Krai Altai Krai (, ) is a federal subject of Russia (a krai). It borders, clockwise from the west, Kazakhstan ( East Kazakhstan Region, Abai Region and Pavlodar Region), Novosibirsk and Kemerovo, and the Altai Republic. The krai's administrative ce ...

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 ...

. At its confluence with the Katun, downstream of the city Biysk, the Ob is formed. The Biya is 301 km long; the

area Area is the measure of a region's size on a surface. The area of a plane region or ''plane area'' refers to the area of a shape or planar lamina, while '' surface area'' refers to the area of an open surface or the boundary of a three-di ...

of its

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, ...

is 37,000 km². It flows out of the Lake Teletskoye. The river freezes up in mid-November to early December (some parts of the river freeze over on a year-to-year basis). It breaks up in early or mid-April. The Biya is navigable on its entire length. The maximum depth of river is .

References

Rivers of Altai Krai Rivers of the Altai Republic {{Siberia-river-stub