| Blanche River | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Canada |
| Subdivision Type2: | Province |
| Subdivision Name2: | Quebec |
| Subdivision Type3: | Region |
| Subdivision Name3: | Centre-du-Québec |
| Subdivision Type4: | MRC |
| Subdivision Name4: | Bécancour Regional County Municipality |
| Length: | 8.3km (05.2miles) |
| Source1: | Agricultural streams |
| Source1 Location: | Saint-Pierre-Baptiste |
| Source1 Coordinates: | 46.245°N -71.6192°W |
| Source1 Elevation: | 283m (928feet) |
| Mouth: | Bourbon River |
| Mouth Location: | Plessisville |
| Mouth Coordinates: | 46.1947°N -71.7647°W |
| Mouth Elevation: | 160m (530feet) |
| Progression: | Bourbon River, Bécancour River, St. Lawrence River |
| Tributaries Left: | (upstream) |
| Tributaries Right: | (upstream) |
| Country: |  Canada |
The Blanche river is a tributary of the Bourbon River which flows into the Bécancour River.
The Blanche river flows in the municipalities of Saint-Pierre-Baptiste, Laurierville (Sainte-Julie sector) and Plessisville, in the L'Érable Regional County Municipality (MRC), in the administrative region of Centre-du-Québec, in province of Quebec, in Canada.
The main neighboring hydrographic slopes of the Blanche River are:
The Blanche River has its source at Lac Camille (length: ; altitude:), located in Saint-Pierre-Baptiste. This lake is located south of the village of Laurierville and east of downtown Plessisville.
From its source, the Blanche River flows on in the following segments:
The Blanche river empties on the south-eastern bank of the Bourbon River downstream of the "Savane stream", south of the village of Plessisville.
The toponym "rivière Blanche" was made official on March 6, 1970, at the Commission de toponymie du Québec.[2]