The Viga () is a river in

Kostroma Oblast Kostroma Oblast () is a federal subjects of Russia, federal subject of Russia (an oblast). Its administrative center is the types of inhabited localities in Russia, city of Kostroma and its population as of the Russian Census (2021), 2021 Census i ...

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 ...

, a right

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

Unzha The Unzha () is a river in the Vologda Oblast, Vologda and Kostroma Oblast, Kostroma oblasts of Russia. It is a tributary of the Volga, which it enters at the Gorky Reservoir. It is long, and its Drainage basin, basin covers .

. It is long, and its basin covers .«Река Вига»
Russian State Water Registry

References

Rivers of Kostroma Oblast {{South-Russia-river-stub