Boulogne (river)
The 883rd longest river in the world
The river Boulogne ([bulɔɲ], Breton: Boulogn) is located in western France in the départements Loire-Atlantique and Vendée. It is 86.5 km (53.7 mi) 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.
Flows through: France.
River data from Wikidata (CC0); lengths normalised to a common unit.