The Kubnya (; ; ) is a river in

Chuvashia Chuvashia, officially known as Chuvash Republic — Chuvashia, is a republics of Russia, republic of Russia located in Eastern Europe. It is the homeland of the Chuvash people, a Turkic languages, Turkic ethnic group. Its capital city, capital i ...

and

Tatarstan Tatarstan, officially the Republic of Tatarstan, sometimes also called Tataria, is a Republics of Russia, republic of Russia located in Eastern Europe. It is a part of the Volga Federal District; and its capital city, capital and largest city i ...

Russian Federation 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 ...

, a left-bank

tributary A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...

of the

Sviyaga The Sviyaga (; ; , ''Sĕve'') is a river in the Ulyanovsk Oblast and Tatarstan, a right tributary of the Volga.Свияга
...

. It is long, of which are in Tatarstan, and 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, ...

covers .«Река Кубня»
Russian State Water Registry It begins in Chuvashia and flows to the Sviyaga south of Burunduki. A major tributary is the

Uryum Uryum () is a lake in Zdvinsky District, Novosibirsk Oblast, Russian Federation.Google Earth Verkh-Uryum town is located by the southeastern shore of the lake. Nizhny Uryum lies by the southern shore, and Mikhaylovka (Zdvinsky District), Mikhaylo ...

. The maximal mineralization is 500-800 mg/L. The average sediment deposition at the

river mouth A river mouth is where a river flows into a larger body of water, such as another river, a lake/reservoir, a bay/gulf, a sea, or an ocean. At the river mouth, sediments are often deposited due to the slowing of the current, reducing the carryin ...

per year is . The maximal water discharge is . Drainage is regulated. Since 1978 it is protected as a ''natural monument of Tatarstan''.

References

Rivers of Chuvashia Rivers of Tatarstan {{South-Russia-river-stub