Undyulyung
Undyulyung
River in Sakha Republic, Russia
The Undyulyung (Russian: Ундюлюнг; Yakut: Үндүлүҥ, Ündülüŋ) is a river in Sakha Republic (Yakutia), Russia. It is the 19th longest tributary of the Lena, with a length of 414 kilometres (257 mi) and a drainage basin area of 12,800 square kilometres (4,900 sq mi).[1] There are no settlements close to the river.
A great number of fish species are found in the waters of the Undyulyung, including lenok, taimen, whitefish, perch, grayling, pike, ide, as well as the endangered Lena sturgeon. The river is a suitable destination for rafting.[2]