Orne (river)
Orne | |
---|---|
![]() The Orne in Caen | |
Location | |
Country | France |
Physical characteristics | |
Source | |
• location | Aunou-sur-Orne |
• elevation | 240 m (790 ft) |
Mouth | |
• location | English Channel |
• coordinates | 49°16′42″N 0°13′34″W / 49.27833°N 0.22611°WCoordinates: 49°16′42″N 0°13′34″W / 49.27833°N 0.22611°W |
Length | 170 km (110 mi) |
Basin size | 2,932 km2 (1,132 sq mi) |
Discharge | |
• average | 27.5 m3/s (970 cu ft/s) |
The Orne (French: [ɔʁn] (listen)) is a river in Normandy, within northwestern France. It is 170 km (110 mi) long.[1] 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.
The Orne flows through the following departments and towns:
- Orne (named after the river): Sées, Argentan
- Calvados: Thury-Harcourt, Caen, Ouistreham
Name[]
The name of the Orne in Normandy, which is referred to as the Olinas by Ptolemy,[2] is a homonym of Fluvius Olne, the Orne saosnoise in Sarthe, which Xavier Delamarre traces back to the Celtic olīnā (elbow).
Hydrology and water quality[]
The waters of the Orne are typically moderately turbid and brown in colour. pH levels of the Orne have been measured at 8.5[3] 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.
See also[]
- St. Andre sur Orne
- Canal de Caen à la Mer
References[]
- ^ Sandre. "Fiche cours d'eau - L'Orne (I2--0200)".
- ^
Smith, William, ed. (1857). "Olinas". Dictionary of Greek and Roman Geography. 2. London: John Murray. p. 473–474.
- ^ Hogan, C Michael, Water quality of freshwater bodies in France, Lumina Press, Aberdeen 2006
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- Rivers of Normandy
- Rivers of France
- Rivers of Calvados (department)
- Rivers of Orne
- Coastal basins of the English Channel in France
- Normandy geography stubs
- France river stubs