Template:For Template:Infobox River The Orne (Ptolemeus OlinaTemplate:Fact) 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. The Odon is one of its tributaries.
The Orne flows through the following departments and towns:
- Orne (named after the river): Sées, Argentan
- Calvados: Thury-Harcourt, Caen, Ouistreham
The name of the Orne river 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 ol?n? (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 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.
- St. Andre sur Orne
- Canal de Caen à la Mer