Semnon
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.[1] 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.
| Semnon | |
|---|---|
| Location | |
| Country | France |
| Physical characteristics | |
| Source | |
| • location | Congrier |
| • coordinates | 47°47′30″N 01°08′34″W |
| • elevation | 90 m (300 ft) |
| Mouth | |
• location | Vilaine |
• coordinates | 47°53′59″N 01°45′25″W |
• elevation | 7 m (23 ft) |
| Length | 73.3 km (45.5 mi) |
| Basin size | 400 km2 (150 sq mi) |
| Discharge | |
| • average | 2.8 m3/s (99 cu ft/s) |
| Basin features | |
| Progression | Vilaine→ Atlantic Ocean |
Départements and communes along its course
This list is ordered from source to mouth:
- Mayenne: Congrier, Saint-Erblon, Senonnes
- Maine-et-Loire: Pouancé
- Ille-et-Vilaine: Eancé, Martigné-Ferchaud
- Loire-Atlantique: Fercé
- Ille-et-Vilaine: Thourie
- Loire-Atlantique: Soulvache
- Ille-et-Vilaine: Teillay, Ercé-en-Lamée, Lalleu, Tresbœuf, La Bosse-de-Bretagne, Bain-de-Bretagne, Pancé, Pléchâtel, Poligné, Bourg-des-Comptes
Notes
- This article is based on the equivalent article from the French Wikipedia, consulted on 1 May 2009.
References
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