The Unzha () is a river in the

Vologda Vologda (, ) is a types of inhabited localities in Russia, city and the administrative center of Vologda Oblast, Russia, located on the river Vologda (river), Vologda within the watershed of the Northern Dvina. Population: The city serves as ...

and

Kostroma Kostroma (, ) is a historic city and the administrative center of Kostroma Oblast, Russia. A part of the Golden Ring of Russian cities, it is located at the confluence of the rivers Volga and Kostroma. In the 2021 census, the population is 267, ...

oblasts 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 ...

. It is a

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

Volga The Volga (, ) is the longest river in Europe and the longest endorheic basin river in the world. Situated in Russia, it flows through Central Russia to Southern Russia and into the Caspian Sea. The Volga has a length of , and a catchment ...

, which it enters at the

Gorky Reservoir Gorky Reservoir (), known colloquially as Gorky Sea (), is an artificial lake in the central part of the Volga River in Russia, formed by a hydroelectric dam of Gorky Hydroelectric Station (now called Nizhny Novgorod Hydroelectric Station) bu ...

. It is long, and its basin covers .«Река Унжа»
Russian State Water Registry The Unzha begins at the

confluence In geography, a confluence (also ''conflux'') occurs where two or more watercourses join to form a single channel (geography), channel. A confluence can occur in several configurations: at the point where a tributary joins a larger river (main ...

of the rivers

Kema Kema or KEMA may refer to: * KEMA, an energy consultancy company * Kema (river), a river in Russia * Kema District, a district in North Sulawesi, Indonesia * Kema Chikwe, Nigerian politician * Kema Jack (born 1982), footballer from Papua New Guinea ...

and the Lundonga. It flows into the Unzhensky

Cove A cove is a small bay or coastal inlet. They usually have narrow, restricted entrances, are often circular or oval, and are often situated within a larger bay. Small, narrow, sheltered bays, inlets, creek (tidal), creeks, or recesses in a coast ...

of the Gorky Reservoir. The Unzha freezes up between October and December and stays under the ice until April or May. The main tributaries are the Viga, Neya, and the Mezha. The towns of

Kologriv Kologriv () is a town and the administrative center of Kologrivsky District in Kostroma Oblast, Russia, located on the left bank of the Unzha River northeast of Kostroma, the administrative center of the oblast. Population: History Kologriv ...

, Manturovo and

Makaryev Makaryev () is a types of inhabited localities in Russia, town and the administrative center of Makaryevsky District in Kostroma Oblast, Russia, located on the right bank of the Unzha River (Volga River, Volga's tributary), east of Kostroma, the ...

are along the Unzha River.

References

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