The Rance in Dinan.
|Length||102 km (63 mi)|
|Basin size||1,195 km2 (461 sq mi)|
|- average||12 m3/s (420 cu ft/s)|
Before reaching the Channel, its waters are barred by a 750 metre long dam forming the Rance tidal power plant.
Départements and towns along the river:
Hydrology and water quality
Tributaries of the Rance include:
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 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 500 cubic feet per second (14 m3/s).
- Atlas des Routes de France, Solar Press: Donnees IGN (2007)
- Hogan, C. Michael, Water quality of freshwater bodies in France, Lumina Press, Aberdeen, Scotland(2006)
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