Article · Wikipedia archive · Last revised Jul 17, 2026

Oloy

The Oloy is a river in Magadan Oblast in Russia, a right tributary of the Omolon. The length of the river is 471 kilometres (293 mi). The area of its drainage basin is 23,100 square kilometres (8,900 sq mi). The river flows through sparsely populated areas of Chukotka.

Last revised
Jul 17, 2026
Read time
≈ 1 min
Length
202 w
Citations
2
Source
Oloy
Mouth location in Chukotka Autonomous Okrug
Location
CountryRussia
Physical characteristics
SourceConfluence of Left Oloy and Right Oloy
Ush-Urekchen
Kolyma Highlands
 • elevation633 m (2,077 ft)
MouthOmolon
 • coordinates
66°27′59″N 159°27′14″E / 66.4665°N 159.4538°E / 66.4665; 159.4538
 • elevation
129 m (423 ft)
Length471 km (293 mi)
Basin size
23,100 km2 (8,900 sq mi)
Discharge 
 • average113 m3/s (4,000 cu ft/s)
Basin features
ProgressionOmolonKolymaEast Siberian Sea

The Oloy (Russian: Олой) is a river in Magadan Oblast in Russia, a right tributary of the Omolon (Kolyma's basin). The length of the river is 471 kilometres (293 mi). The area of its drainage basin is 23,100 square kilometres (8,900 sq mi).1 The river flows through sparsely populated areas of Chukotka.

Course

It has its sources in the Ush-Urekchen range, at the confluence of Left Oloy and Right Oloy. It flows roughly northwestwards between the Ush-Urekchen to the south and the Oloy Range to the north.2

See also

See also

References

References

External links