Rance (river)

Rance
The Rance in Dinan
Rance (river) is located in France
Rance (river)
Rance (river) is located in Brittany
Rance (river)
Native name
Location
CountryFrance
Physical characteristics
Source 
 • locationBrittany
Mouth 
 • location
English Channel
 • coordinates
48°38′28″N 2°2′26″W / 48.64111°N 2.04056°W / 48.64111; -2.04056
Length104 km (65 mi)
Basin size1,195 km2 (461 sq mi)
Discharge 
 • average12 m3/s (420 cu ft/s)

The Rance (French pronunciation: [ʁɑ̃s] ⓘ; Breton: Renk, [ˈrẽŋk]) is a river of northwestern France. It is 103.6 km (64.4 mi) long.[1] The semi-tidal river flows into the English Channel between Dinard and Saint-Malo.

Before reaching the Channel, its waters are barred by a 750 metre long dam forming the Rance tidal power plant.

The river is linked to the Vilaine by means of the Canal d'Ille-et-Rance.

Départements and towns along the river:

Hydrology and water quality

Tributaries of the Rance include:

  • Croqueloir
  • Clergé
  • Fremeur
  • Quinéford

This river has moderate turbidity and its brownish water is somewhat low in velocity due to the slight gradient of the watercourse; pH levels have been measured at 8.13[2] within the city of Dinan and electrical conductivity of the waters have tested at 33 micro-siemens per centimetre. At this reference location, summer flows are typically in the range of 14 cubic metres per second (500 cu ft/s).[citation needed]

References

  1. ^ Sandre. "Fiche cours d'eau - La Rance (J0--0160)".
  2. ^ Hogan, C. Michael, Water quality of freshwater bodies in France, Lumina Press, Aberdeen, Scotland(2006)


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