Main source Congrier90 m (300 ft) Basin size 400 km (150 sq mi) Basin area 400 km² | River mouth Vilaine7 m (23 ft) Length 73 km | |
Discharge Average rate:2.8 m/s (99 cu ft/s) | ||
The Semnon (French: le Semnon) is a 73.3 km (45.5 mi) long river in the Mayenne, Maine-et-Loire, Ille-et-Vilaine and Loire-Atlantique départements, western France. Its source is at Congrier. It flows generally west-northwest. It is a left tributary of the Vilaine into which it flows between Pléchâtel and Bourg-des-Comptes.
Contents
Map of Le Semnon, France
Départements and communes along its course
This list is ordered from source to mouth:
References
Semnon Wikipedia(Text) CC BY-SA