Boulogne (river)
Boulogne | ||
Aerial view of the Lac de Grand Lieu |
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Data | ||
Water code | FR : M8-0260 | |
location | France , Pays de la Loire region | |
River system | Loire | |
Drain over | Acheneau → Loire → Atlantic Ocean | |
source | in the municipality of Saint-Martin-des-Noyers, 46 ° 44 ′ 38 ″ N , 1 ° 12 ′ 24 ″ W |
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Source height | approx. 102 m | |
muzzle | below Saint-Philbert-de-Grand-Lieu in the lake Lac de Grand Lieu Coordinates: 47 ° 4 ′ 5 ″ N , 1 ° 40 ′ 34 ″ W 47 ° 4 ′ 5 ″ N , 1 ° 40 ′ 34 ″ W |
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Mouth height | approx. 3 m | |
Height difference | approx. 99 m | |
Bottom slope | approx. 1.1 ‰ | |
length | 87 km | |
Left tributaries | Logne | |
Right tributaries | Issoire | |
Flowing lakes | Lac de Grand Lieu | |
Small towns | Saint-Philbert-de-Grand-Lieu |
The Boulogne is a river in France that runs in the Vendée and Loire-Atlantique departments in the Pays de la Loire region . It rises in the municipality of Saint-Martin-des-Noyers , generally drains in a north-westerly direction, reaches the Pays de Retz landscape and flows into the Lac de Grand-Lieu after 87 kilometers below Saint-Philbert-de- Grand-Lieu . This wetland is a natural landscape worth preserving and registered under Natura 2000 under code FR5200625. The only drainage of this lake is the river Acheneau , the Boulogne can therefore be classified as a tributary of the Acheneau.
Places on the river
- La Merlatière
- Boulogne
- Saint-Denis-la-Chevasse
- Les Lucs-sur-Boulogne
- Rocheservière
- Saint-Philbert-de-Grand-Lieu
Web links
See also
- Petite Boulogne , smaller river as namesake