Or (river)

River in Russia, Kazakhstan

51°11′08″N 58°32′28″E / 51.1856°N 58.5411°E / 51.1856; 58.5411Length332 km (206 mi)Basin size18,600 km² (7,200 sq mi)Basin featuresProgressionUral→ Caspian Sea

The Or (Russian: Орь, Kazakh: Ор) is a river in Orenburg Oblast of Russia and Aktobe Province of Kazakhstan. It is a left tributary of the Ural, and is 332 km long, with a drainage basin of 18 600 km².^[1] The river is formed by the confluence of the rivers Shiyli and Terisbutak,^[2] which have their sources on the western slopes of the Mugodzhar Hills,^[3] and it joins the Ural by the city of Orsk. Most of its discharge are from melting snow. The average discharge, 61 km from its mouth, is 21.3 m³/sek. The spring flooding lasts from April to mid-May. The rest of the year the waterlevel is very low. The river freezes in late October and is icebound until March - April. The river is used for irrigation and water supply.

References

^ "Поиск по данным государственного водного реестра" (in Russian). State Water Register. 29 March 2009. Retrieved 27 March 2020.
^ Prokhorov, Alexander, ed. (1969–1978). "Or". Great Soviet Encyclopedia (in Russian). Vol. 30 (3rd ed.). Moscow.{{cite encyclopedia}}: CS1 maint: location missing publisher (link)
^ "Mugodzhar Hills", Wikipedia, 2022-02-04, retrieved 2023-03-12