Khastakh

The Khastakh or Tuora-Yuryakh (Russian: Хастах; Yakut: Хаастаах, Xaastaax) is a river in the Sakha Republic (Yakutia), Russia. It is one of the two tributaries giving origin to the Indigirka. The river has a length of 251 kilometres (156 mi) and a drainage basin area of 10,500 square kilometres (4,100 sq mi).[1] The upper stretch of its course is also known as Khalkan.[2]

For the river in the Yana-Indigirka Lowland, see Gusinaya (river).
Khastakh (Tuora-Yuryakh)
Хастах / Хаастаах
Khalkan Range ONC map section with the courses of the two rivers forming the Indigirka
Khastakh is located in Sakha Republic
Khastakh
Mouth location in Yakutia, Russia
Location
CountryRussia
Physical characteristics
Source 
 • locationKhalkan Range
 • coordinates61°48′53″N 144°02′28″E
MouthIndigirka
 • coordinates
63°06′41″N 144°11′07″E
 • elevation
792 metres (2,598 ft)
Length251 km (156 mi)
Basin size10,500 km2 (4,100 sq mi)
Basin features
ProgressionIndigirka → Laptev Sea

The river flows south of the Arctic Circle, across desolate tundra territories of the Oymyakonsky District marked by mountainous terrain and permafrost.[3][2]

Course

The Khastakh is a left tributary of the Indigirka. It has its sources in the southern slopes of the Khalkan Range (Халканский хребет), a subrange of the Suntar-Khayata, by the border with Okhotsky District of Khabarovsk Krai. The river flows roughly in a northern direction into a basin of the Yana-Oymyakon Highlands filled with lakes where it meanders and divides into multiple channels. Finally the river joins the Taryn-Yuryakh flowing from the right to form the head of the Indigirka 1,726 km (1,072 mi) from its mouth. The total length of the Indigirka counting the Khastakh is 1,977 km (1,228 mi).[3][2][4][5]

Tributaries

The main tributaries of the Khastakh are the 132 km (82 mi) long Buor-Yuryakh on the right, as well as the 82 km (51 mi) long Burgachen and the 107 km (66 mi) long Labynkyr on the left. The river is frozen between the beginning of October and the end of May. There are more than 1,900 lakes in its basin with a total area of 145 km2 (56 sq mi).[6]

See also

References
  1. "Река Хастах (Торо-Юрях, Туора-Юрях, Калкан) in the State Water Register of Russia". textual.ru (in Russian).
  2. "P-55_56 Topographic Chart (in Russian)". Retrieved 22 May 2022.
  3. "P-53_54 Topographic Chart (in Russian)". Retrieved 22 May 2022.
  4. Google Earth
  5. Indigirka in the Great Soviet Encyclopedia. (in Russian)
  6. Халкан - nature.ykt


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