| Vallée River | |
| Pushpin Map: | Quebec |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Administrative region |
| Subdivision Name3: | Chaudière-Appalaches |
| Subdivision Type4: | RCM |
| Subdivision Name4: | La Nouvelle-Beauce Regional County Municipality |
| Source1: | Agricultural streams |
| Source1 Location: | Saint-Elzéar |
| Mouth: | Chaudière River |
| Mouth Location: | Saint-Marie-de-Beauce |
| Progression: | Chaudière River, St. Lawrence |
| Tributaries Left: | (upstream) |
| Tributaries Right: | (upstream) |
The Vallée River (in French: rivière Vallée) is a tributary of the west bank of the Chaudière River which flows northward to empty onto the south bank of the St. Lawrence River. It flows in the municipalities of Saint-Elzéar and Siante-Marie-de-Beauce, in the La Nouvelle-Beauce Regional County Municipality, in the administrative region of Chaudière-Appalaches, in Quebec, in Canada.
The main neighboring watersheds of the Vallée river are:
The Vallée river has its source in a mountainous area, in the municipality of Saint-Elzéar. This head area is located west of the center of the village of Saint-Elzéar, at west of Chaudière River and northeast of Mont-Sainte-Marguerite.
From its source, the Vallée River flows over in agricultural and forest areas, divided into the following segments:
The Vallée river empties on the west bank of the Chaudière River, in Sainte-Marie-de-Beauce. This confluence is located upstream from Île Perreault, downstream from the bridge in the village of Sainte-Marie-de-Beauce and upstream of the Scott bridge.
The toponym Rivière Vallée was formalized on August 8, 1977, at the Commission de toponymie du Québec.[2]