Rivers of Mayenne

thumb|right|250px|The Vilaine in Bruz The Vilaine (; ) 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.

river in France

The Couesnon (; ) is a river running from the département of Mayenne in north-western France, forming an estuary at Mont-Saint-Michel. It is long, and its drainage basin is . Its final stretch forms the border between the historical duchies of Normandy and Brittany. Its historically irregular course, shifting between two beds to the north and south of Mont-Saint-Michel until eventually settling on the southern one, inspired the saying Le Couesnon en sa folie mit le Mont en Normandie (“The Couesnon in its madness placed the Mont in Normandy") as the Mont is just to the Norman side of the river’

watercourse in France

The Jouanne () is a long river in western France located in the department of Mayenne, region of Pays de la Loire. It is a tributary of the river Mayenne on the left side, and so is a sub-tributary of the Loire by Mayenne and Maine.

The Semnon (; ) is a long river in the Mayenne, Maine-et-Loire, Ille-et-Vilaine and Loire-Atlantique départements, northwestern France. Its source is in Congrier. It flows generally west-northwest. It is a left tributary of the Vilaine into which it flows between Pléchâtel and Bourg-des-Comptes.

The Vaige () is a long river in the Mayenne and Sarthe departments in western France.

river in France, tributary of the Mayenne

river in France

The Colmont () is a long river in western France located in the departments of Orne, Manche (Normandy) and Mayenne (Pays de la Loire). It is a tributary of the river Mayenne on the right side, and so is a sub-tributary of the Loire by Mayenne and Maine. It flows into the Mayenne near Saint-Loup-du-Gast. Its longest tributary is the Ourde (11 km). The largest town on the Colmont is Gorron.

river in France

river in France, tributary of Mayenne