Ardèche is a tributary of the river that has a mouth at what body of water?
Ardèche (river) The Ardèche (Occitan: "Ardecha" ) is a 125 km long river in south-central France, a right-bank tributary of the River Rhône. Its source is in the Massif Central, near the village of Astet. It flows into the Rhône near Pont-Saint-Esprit, north-west of Orange. The river gives its name to the French department of Ardèche.
Vègre The Vègre (French: "la Vègre" ) is an 82.7 km long river in the Sarthe "département", western France. Its source is near Rouessé-Vassé. It flows generally south. It is a right tributary of the Sarthe into which it flows near Avoise.