Kuydusun (river)
| Kuydusun Куйдусун / Куйдуһун | |
|---|---|
Course of the Kuydusun ONC map section | |
Mouth location in Yakutia, Russia | |
| Location | |
| Country | Russia |
| Physical characteristics | |
| Source | |
| • location | Suntar-Khayata |
| • coordinates | 61°54′10″N 142°32′29″E / 61.90278°N 142.54139°E |
| Mouth | Indigirka |
• coordinates | 63°24′05″N 143°15′18″E / 63.40139°N 143.25500°E |
| Length | 247 km (153 mi) |
| Basin size | 20,400 km2 (7,900 sq mi) |
| Discharge | |
| • average | 33 m3/s (1,200 cu ft/s) |
| Basin features | |
| Progression | Indigirka → Laptev Sea |
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).
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.