The Kuydusun (russian: Куйдусун; sah, Куйдуһун) is a river in

Sakha Republic Sakha, officially the Republic of Sakha (Yakutia),, is the largest republic of Russia, located in the Russian Far East, along the Arctic Ocean, with a population of roughly 1 million. Sakha comprises half of the area of its governing Far Eas ...

(Yakutia),

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

. It is one of the major tributaries of the

Indigirka The Indigirka ( rus, Индиги́рка, r=; sah, Индигиир, translit=Indigiir) is a river in the Sakha Republic in Russia between the Yana (river), Yana to the west and the Kolyma River, Kolyma to the east. It is long. The area of its ...

. The river has a length of and a drainage basin area of . The river flows south of the

Arctic Circle The Arctic Circle is one of the two polar circles, and the most northerly of the five major circles of latitude as shown on maps of Earth. Its southern equivalent is the Antarctic Circle. The Arctic Circle marks the southernmost latitude at w ...

, across desolate

tundra In physical geography, tundra () is a type of biome where tree growth is hindered by frigid temperatures and short growing seasons. The term ''tundra'' comes through Russian (') from the Kildin Sámi word (') meaning "uplands", "treeless moun ...

territories of the

Oymyakonsky District Oymyakonsky District (russian: Оймяко́нский улу́с; sah, Өймөкөөн улууһа, ''Öymököön uluuha'', ) is an administrativeConstitution of the Sakha Republic and municipalLaw #172-Z #351-III district (raion, or ''ulus'' ...

marked by

permafrost Permafrost is ground that continuously remains below 0 °C (32 °F) for two or more years, located on land or under the ocean. Most common in the Northern Hemisphere, around 15% of the Northern Hemisphere or 11% of the global surface ...

Kuydusun Kuydusun (russian: Куйдусун) is a rural locality (a '' selo'') in Borogonsky 2-y Rural Okrug of Oymyakonsky District in the Sakha Republic, Russia, located from Ust-Nera, the administrative center An administrative center is a seat ...

village is located by the banks of the lower course of the river and Tomtor further north, near its mouth.

Course

The Kuydusun is a left

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or 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 drain the surrounding drainage ...

of the Indigirka. It has its sources in the northeastern slopes of the

Suntar-Khayata Suntar-Khayata Range (russian: Сунтар-Хаята, sah, Сунтаар Хайата) is a granite mountain range rising along the border of the Sakha Republic in the north with Amur Oblast and Khabarovsk Krai in the south. The R504 Kolyma ...

, at the border with

Khabarovsk Krai Khabarovsk Krai ( rus, Хабаровский край, r=Khabarovsky kray, p=xɐˈbarəfskʲɪj kraj) is a federal subject (a krai) of Russia. It is geographically located in the Russian Far East and is a part of the Far Eastern Federal District ...

. The river flows roughly in a northern direction across the mountainous territory, then turns northeastwards into a plain of the

Yana-Oymyakon Highlands The Yana-Oymyakon Highlands ( rus, Яно-Оймяконское нагорье; sah, Дьааҥы хаптал хайалара), also known as Oymyakon Highlands ( rus, Оймяконское нагорье),Soviet General Topographic Maps P-5 ...

filled with lakes where it

meander A meander is one of a series of regular sinuous curves in the channel of a river or other watercourse. It is produced as a watercourse erodes the sediments of an outer, concave bank ( cut bank) and deposits sediments on an inner, convex bank ...

s and divides into multiple channels. In its final stretch the river turns again northwards. Finally the Kuydusun joins the left bank of the Indigirka from its mouth.

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Tributaries

The main tributaries of the Kuydusun are the long Mannyk-Yuryakh on the right, as well as the long

Buor-Yuryakh The Buor-Yuryakh (russian: Буор-Юрях; sah, Буор-Үрэх) is a river in the Sakha Republic (Yakutia), Russia. It is the second largest tributary of the Alazeya. The river has a length of and a drainage basin area of . The Buor-Yury ...

on the left. The river is frozen between early October and the end of May. There are more than 20,000 lakes in its basin with a total area of , as well as 60 ice fields, with a total area of .Куйдусун - nature.ykt
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References

External links

Fishing & Tourism in YakutiaВоды реки Куйдусун размыли мостовой переход на дороге "Оймякон" в Якутии Подробнее: https://yakutiamedia.ru/news/606565/ (bridge destroyed by floodwaters)Мост через реку Куйдусун восстановят на следующей неделе (repairing bridge over the river)
Tributaries of the Indigirka Rivers of the Sakha Republic Suntar-Khayata {{Russia-river-stub

Course

Tributaries

See also

References

External links