Ardenne (Seiche)

Ardenne
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Data
Water code	FR :  J7424000
location	France , Brittany region
River system	Vilaine
Drain over	Seiche  → Vilaine  → Atlantic Ocean
source	in the municipality of Rannée 47 ° 52 ′ 50 ″  N , 1 ° 13 ′ 32 ″  W
Source height	approx.  105  m
muzzle	in the municipality of Marcillé-Robert in the Seiche Coordinates: 47 ° 56 ′ 43 ″  N , 1 ° 21 ′ 52 ″  W 47 ° 56 ′ 43 ″  N , 1 ° 21 ′ 52 ″  W
Mouth height	approx.  40  m
Height difference	approx. 65 m
Bottom slope	approx. 2.8 ‰
length	23 km
Reservoirs flowed through	Etang de l'Abbaye , Etang de Marcillé

The Ardenne is a river in France that runs in the Ille-et-Vilaine department in the Brittany region . It rises in the woods Forêt de la Guerche , in the municipality of Rannée generally drained northwest to west and ends after 23 kilometers in the municipality of Marcillé-Robert in the dam area of the Etang de Marcillé as a left tributary to the Seiche .

Places on the river

• Rannée
• Mousse
• Le Plessis au Gras , Retiers municipality
• Marcillé-Robert

Remarks

1. ↑ Source geoportail.gouv.fr
2. ↑ estuary geoportail.gouv.fr
3. ↑ ^{a b} The information on the river length is based on the information about the Ardenne at SANDRE (French), accessed on July 20, 2012, rounded to full kilometers.