Goujonnière
| Goujonnière | ||
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| Data | ||
| Water code | FR : J9115200 | |
| location | France , Pays de la Loire region | |
| River system | Vilaine | |
| Drain over | Isac → Vilaine → Atlantic Ocean | |
| source | in the municipality of Fay-de-Bretagne 47 ° 20 ′ 24 ″ N , 1 ° 48 ′ 24 ″ W |
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| Source height | approx. 79 m | |
| muzzle | in the parish of Blain in the Isac coordinates: 47 ° 27 ′ 42 " N , 1 ° 43 ′ 57" W 47 ° 27 ′ 42 " N , 1 ° 43 ′ 57" W |
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| Mouth height | approx. 14 m | |
| Height difference | approx. 65 m | |
| Bottom slope | approx. 3.4 ‰ | |
| length | approx. 19 km | |
The Goujonnière is a river in France that runs in the Loire-Atlantique department in the Pays de la Loire region . It rises under the name Ruisseau de Thiemay in the southern municipal area of Fay-de-Bretagne , drains generally towards the north-northeast, changes its name several times and flows after about 19 kilometers in the municipality of Blain as a left tributary into the Isac . As a source stream, the Goujonnière passes under the Circuit de Loire-Atlantique automobile test track .
Places on the river
(Order in flow direction)
- Le Grand Mérimont , municipality of Fay-de-Bretagne
- Fay-de-Bretagne
- La Ballerie , Blain parish