Length 82 km | ||
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The river Boulogne is located in western France in the départements Loire-Atlantique and Vendée.
Map of La Boulogne, Saint-Philbert-de-Grand-Lieu, France
It is 86.5 km in length and flows north from the source near Saint-Martin-des-Noyers, through Les Essarts and La Merlatière, then through Boulogne, Vendée and Les Lucs-sur-Boulogne into the Lac de Grand-Lieu. This lake is drained by the river Acheneau towards the Loire.
References
Boulogne (river) Wikipedia(Text) CC BY-SA