The Undyulyung (russian: Ундюлюнг; sah, Үндүлүҥ) 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. It is the 19th longest tributary of the
Lena, with a length of and a drainage basin area of .
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
Grayling or Greyling may refer to:
Animals Fish
* Grayling, generically, any fish of the genus ''Thymallus'' in the family Salmonidae
** European grayling (''Thymallus thymallus''), the European species of the genus ''Thymallus''
** Arctic grayli ...
,
pike
Pike, Pikes or The Pike may refer to:
Fish
* Blue pike or blue walleye, an extinct color morph of the yellow walleye ''Sander vitreus''
* Ctenoluciidae, the "pike characins", some species of which are commonly known as pikes
* ''Esox'', genus of ...
,
ide, as well as the endangered
Lena sturgeon. The river is a suitable destination for
rafting.
[Water of Russia - Ундюлюнг]
/ref>
History
On 11 September 1986 a meteorite
A meteorite is a solid piece of debris from an object, such as a comet, asteroid, or meteoroid, that originates in outer space and survives its passage through the atmosphere to reach the surface of a planet or Natural satellite, moon. When the ...
fell at the mouth of the Byukyakh (Бюкээх), a right tributary of the Undyulyung. The fall was observed by a helicopter crew.The Undyulyung meteorite - ResearchGate
/ref>
Course
The Undyulyung is a right tributary of the Lena. Its source is located in the southern sector of the Orulgan Range
The Orulgan Range (russian: Орулган; sah, Орулҕан) is a range of mountains in far North-eastern Russia. Administratively the range is part of the Sakha Republic, Russian Federation. , west of the Echysky Massif. Its valley flanks the southern end of the Byrandia Range in its upper course and the southern side of the Kuyellyakh Range further downstream. The smaller Undyulyung Range
The Undyulyung (russian: Ундюлюнг; sah, Үндүлүҥ) is a river in Sakha Republic (Yakutia), Russia. It is the 19th longest tributary of the Lena (river), Lena, with a length of and a drainage basin area of . There are no settlements ...
rises on its right side upstream from the mouth in the Lena river.Google Earth
Google Earth is a computer program that renders a 3D computer graphics, 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposition, superimposing satellite images, aerial photography, and geog ...
[Ундюлюнг](_blank)
/ Great Soviet Encyclopedia; in 35 vols. / Ch. ed. Yu. S. Osipov. 2004—2017. In its first section the river flows across mountainous terrain forming rapids
Rapids are sections of a river where the river bed has a relatively steep gradient, causing an increase in water velocity and turbulence.
Rapids are hydrological features between a ''run'' (a smoothly flowing part of a stream) and a ''cascade''. ...
. After leaving the mountains it flows into the Central Yakutian Lowland, splitting into two arms shortly before it joins the right bank of the Lena from its mouth.[Nature.ykt]
/ref> The river is surrounded by mountain tundra with shrub thickets and subalpine forests landscapes in its upper reaches. In its lower course there are sparse forests with Dahurian larch.[
The longest tributaries of the Undyulyung are the long Byukyakh and the long Tyrekhtyakh on the right, as well as the long Dabdzha on the left. The river freezes in October and stays under ice until May. Floods are common in the summer season. There are ice fields in the river basin with a total area of .]
See also
* List of rivers of Russia
References
External links
Downriver Undyulyung - Hidden Siberia
Rivers of the Sakha Republic
Verkhoyansk Range
Central Yakutian Lowland
{{Russia-river-stub