Merdereau
| Merdereau | ||
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| Data | ||
| Water code | FR : M0114900 | |
| location | France , Pays de la Loire region | |
| River system | Loire | |
| Drain over | Sarthe → Maine → Loire → Atlantic Ocean | |
| source | in the municipality of Loupfougères, 48 ° 20 ′ 5 ″ N , 0 ° 19 ′ 59 ″ W |
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| Source height | approx. 200 m | |
| muzzle | below Saint-Paul-le-Gaultier in the Sarthe Coordinates: 48 ° 18 ′ 29 ″ N , 0 ° 4 ′ 8 ″ W 48 ° 18 ′ 29 ″ N , 0 ° 4 ′ 8 ″ W |
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| Mouth height | approx. 85 m | |
| Height difference | approx. 115 m | |
| Bottom slope | approx. 4.4 ‰ | |
| length | 26 km | |
The Merdereau is a river in France that runs in the Pays de la Loire region . It rises in the municipal area of Loupfougères , generally drains east to south-east, reaches the Normandy-Maine Regional Nature Park and flows 26 kilometers below Saint-Paul-le-Gaultier as a right tributary into the Sarthe . On its way, the Merdereau crosses the Mayenne and Sarthe departments .