Girish Mahajan (Editor)

Orne (river)

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Native name  L'Orne (f)
Basin size  2,932 km (1,132 sq mi)
Discharge  27.5 m³/s
Mouth  English Channel
Bridges  Viaduc de Calix
River mouth  English Channel
Length  170 km
Basin area  2,932 km²
Country  France
Sources  Normandy, Aunou-sur-Orne
Orne (river) httpsmedia1britannicacomebmedia821494820
Main source  Aunou-sur-Orne 240 m (790 ft)

The Orne (Ptolemeus Olina) is a river in Normandy, within northwestern France. It discharges into the English Channel at the port of Ouistreham. Its source is in Aunou-sur-Orne, east of Sées. Its main tributaries are the Odon and the Rouvre.


Map of Orne, France

The Orne flows through the following departments and towns:

  • Orne (named after the river): Sées, Argentan
  • Calvados: Thury-Harcourt, Caen, Ouistreham
  • NameEdit

    The name of the Orne in Normandy, which is referred to as the Olina by Ptolemy, is a homonym of Fluvius Olne, the Orne saosnoise in Sarthe, which Xavier Delamarre traces back to the Celtic olīnā (elbow).

    Hydrology and water qualityEdit

    The waters of the Orne are typically moderately turbid and brown in colour. pH levels of the Orne have been measured at 8.5 at the town of St. Andre sur Orne where summer water temperatures approximate 18 degrees Celsius. Electrical conductivity of the Orne has been measured at 30 micro-Siemens per centimeter.


    Orne (river) Wikipedia

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