| Uryung-Ulakh Юрюнг-Уулаах / Үрүҥ Уулаах | |
|---|---|
 Course of the Uryung-UlakhONC map section | |
  Mouth location inYakutia, Russia | |
| Location | |
| Country | Russia |
| Physical characteristics | |
| Source | |
| • location | Lake Uryung-Ulakh |
| • coordinates | 71°27′32″N141°41′43″E / 71.45889°N 141.69528°E /71.45889; 141.69528 |
| • elevation | 15 metres (49 ft) |
| Mouth | Khroma |
• coordinates | 71°39′03″N144°51′31″E / 71.65083°N 144.85861°E /71.65083; 144.85861 |
• elevation | 0 metres (0 ft) |
| Length | 314 km (195 mi) |
| Basin size | 6,210 km2 (2,400 sq mi) |
| Basin features | |
| Progression | Khroma →East Siberian Sea |
TheUryung-Ulakh orYuryung-Ulakh (Russian:Урюнг-Улах or Юрюнг-Уулаах;Yakut:Үрүҥ Уулаах,Ürün Uulaax) is a river in theSakha Republic (Yakutia),Russia. It has a length of 314 kilometres (195 mi) and adrainage basin area of 6,210 square kilometres (2,400 sq mi).[1]
The river flows north of theArctic Circle, across territories of theEast Siberian Lowland inAllaikhovsky District marked bypermafrost. There are no settlements along its course.[2][3]
The Uryung-Ulakh is the main tributary of theKhroma. It has its sources in the lakeof the same name, a fairly large lake of the southeastern part of theYana-Indigirka Lowland located to the south of theMuksunuokha basin. The river heads first roughly southeastwards across atundra area of swamps and numerous small lakes. After a long stretch it bends andmeanders in an northeastern direction until it meets the western shore of lakeUsun-Ulakh-Tubata (Усун-Уулаах-Тубата), south of the mouth of theKyuyol-Yuryakh in the same lake. The Uryung-Ulakh then flows out of the lake from the northeastern shore,meandering strongly eastwards, joining the left bank of the Khroma 9.4 km (5.8 mi) from its mouth in theKhroma Bay of the East Siberian Sea.[2][4][3]
The main tributary of the Uryung-Ulakh is the 50 km (31 mi) long Abasylakh-Seene (Абаасылаах-Сээнэ) on the left. There are over 1,600 lakes in its basin. The river is frozen between late September and mid June.[2][5][1]
The Uryung-Ulakh is one of the sites providing a breeding place for theSiberian crane, acritically endangered species.[6][7]
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