The Chona (; , ''Çuona'') is a river in the

Sakha Republic Sakha, officially the Republic of Sakha (Yakutia), is a republics of Russia, republic of Russia, and the largest federal subject of Russia by area. It is located in the Russian Far East, along the Arctic Ocean, with a population of one million ...

(Yakutia) and

Irkutsk Oblast Irkutsk Oblast (; ) is a federal subjects of Russia, federal subject of Russia (an oblast), located in southeastern Siberia in the basins of the Angara River, Angara, Lena River, Lena, and Nizhnyaya Tunguska Rivers. The administrative center is ...

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 right hand tributary of the

Vilyuy The Vilyuy ( rus, Вилю́й, p=vʲɪˈlʲʉj; , ''Bülüü'', ) is a river in Russia, the longest tributary of the Lena (river), Lena. About long, it flows mostly within the Sakha Republic. Its basin covers about . History The river is first ...

, and is long, with a

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 . The

Russian Geographical Society The Russian Geographical Society (), or RGO, is a learned society based in Saint Petersburg, Russia. It promotes geography, exploration and nature protection with research programs in fields including oceanography, ethnography, ecology and stati ...

organized an expedition in 1853–55 to survey the

orography Orography is the study of the topographic relief of mountains, and can more broadly include hills, and any part of a region's elevated terrain. Orography (also known as ''oreography'', ''orology,'' or ''oreology'') falls within the broader disci ...

, geology and population of the

and Chona basins.

Course

The river begins in the

Lena Plateau The Lena Plateau, also known as Prilensky Plateau (; ), is one of the great plateaus of Siberia. Administratively it is mostly within the Sakha Republic (Yakutia), with a small sector in the Irkutsk Oblast, Far Eastern Federal District, Russia. T ...

, part of the

Central Siberian Plateau The Central Siberian Plateau (; ) is a vast mountainous area in Siberia, one of the Great Russian Regions. Geography The plateau occupies a great part of central Siberia between the Yenisei and Lena rivers. It is located in the Siberian Plat ...

, at an elevation of . It flows roughly northeastwards forming rapids which make the river not navigable. The lowest of its course were flooded by the Vilyuy Reservoir after the

Vilyuy Dam The Vilyuy Dam (; ) is a large dam and hydroelectric power station on the Vilyuy River in Chernyshevsky, Mirninsky District, Sakha Republic (Yakutia), Russia. The dam was built between 1964 and 1967 to provide power for diamond mines in the area. ...

was built in 1967. The river freezes between October and late May.Chona —

Great Soviet Encyclopedia The ''Great Soviet Encyclopedia'' (GSE; , ''BSE'') is one of the largest Russian-language encyclopedias, published in the Soviet Union from 1926 to 1990. After 2002, the encyclopedia's data was partially included into the later ''Great Russian Enc ...

in 30 vols. / Ch. ed.

A.M. Prokhorov Alexander Mikhailovich Prokhorov (born Alexander Michael Prochoroff, ; 11 July 1916 – 8 January 2002) was an Australian-born Russian physicist and researcher on lasers and masers, in the former Soviet Union. He shared the Nobel Prize in Ph ...

- 3rd ed. - M, 1969-1978. The main tributaries of the Chona are the long

Vakunayka The Vakunayka (; ) is a river in the Sakha Republic (Yakutia) and Irkutsk Oblast, Russia. It is a right hand tributary of the Chona, and is long, with a drainage basin of . There are no permanent settlements by the Vakunayka. The Russian Geograp ...

and the long Ichoda on the right, and the long Dekinde, the long Delinde and the long Markhaya on the left. There are no permanent settlements by the Chona. Vilyuy

References

External links

*{{Commons category inline
Geography - Yakutia Organized
Rivers of Irkutsk Oblast Rivers of the Sakha Republic

Course

See also

References

External links