La Vilaine
| Vilaine | |
|---|---|
The Vilaine in Rennes.
|
|
| Native name | La Vilaine |
| Country | France |
| Physical characteristics | |
| Main source |
Juvigné, Mayenne 175 m (574 ft) 48°13′46″N 01°03′11″W / 48.22944°N 1.05306°W |
| River mouth |
Atlantic Ocean 47°30′20″N 2°29′57″W / 47.50556°N 2.49917°WCoordinates: 47°30′20″N 2°29′57″W / 47.50556°N 2.49917°W |
| Length | 218.1 km (135.5 mi) |
| Discharge |
|
| Basin features | |
| Basin size | 10,882 km2 (4,202 sq mi) |
The Vilaine (Breton: Gwilen) is a river in Brittany, in the west of France. The river's source is in the Mayenne département (53), and it flows out into the Atlantic Ocean at Pénestin in the Morbihan département (56). It is 218 km long.
The river passes through 4 départements (Mayenne, Ille-et-Vilaine, Loire-Atlantique and Morbihan) and 4 main towns (Rennes, Vitré, Redon and La Roche-Bernard).
Three barrages were built around Vitré, Ille-et-Vilaine to alleviate flooding, while securing potable water supplies. They are also amenities for recreational activities.
The river has a flow ranging between 2 and 1500 m3/s
The Vilaine is part of Brittany's canal system, built mainly in the 19th century for relatively small barges (130 tonnes). The entire system was transferred to the Brittany Region in 2011. In Rennes the river connects to the Canal d'Ille et Rance hence the Rance estuary, which enters the English Channel at Saint-Malo. In Redon it crosses the Canal de Nantes à Brest, giving access to Pontivy and the Blavet (west) and Nantes (east).
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