Mountain river

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This article is about type of stream. For other meanings, see Mountain River.

Mountain river is a river that runs usually in mountains, in narrow, deep valley with steep banks, rocky stream bed, and accumulated rock debris.

Mountain rivers are characterized by high slope and flow velocity, insignificant depth, frequent rapids and waterfalls, dominated washed out processes. The gradient of mountain river is calculated at 60–80 m/km in upper stream and 5–10 m/km in lower. More precisely it is greater than or equal to 0.002 m/m along most of its stream length. Speed of stream is measured at 1 to 4.5 m/s and higher.

Mountain rivers have significant hydro energy producing potential and in arid conditions often used for irrigation.

See also[edit]


  • Marynych, O. Geographical Encyclopedia of Ukraine. "Bazhan Ukrainian Encyclopedia". Kiev 1989.
  • Wohl, E. Mountain rivers revisited. "AGU". Washington, D.C. 2010. ISBN 978-0-87590-323-1

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