Kuydusun (river)

The Kuydusun (Russian: Куйдусун; Yakut: Куйдуһун, Kuyduhun) is a river in Sakha Republic (Yakutia), Russia. It is one of the major tributaries of the Indigirka. The river has a length of 247 kilometres (153 mi) and a drainage basin area of 20,400 square kilometres (7,900 sq mi).

Kuydusun
Куйдусун / Куйдуһун
Course of the Kuydusun ONC map section
Mouth location in Yakutia, Russia
Location
CountryRussia
Physical characteristics
Source 
  locationSuntar-Khayata
  coordinates61°54′10″N 142°32′29″E
MouthIndigirka
  coordinates
63°24′05″N 143°15′18″E
Length247 km (153 mi)
Basin size20,400 km2 (7,900 sq mi)
Discharge 
  average33 m3/s (1,200 cu ft/s)
Basin features
ProgressionIndigirkaLaptev Sea

The river flows south of the Arctic Circle, across desolate tundra territories of the Oymyakonsky District marked by permafrost. Kuydusun village is located by the banks of the lower course of the river and Tomtor further north, near its mouth.

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