| Blanche River | |
|---|---|
| Native name | Rivière Blanche (French) | 
| Location | |
| Country | Canada | 
| Province | Quebec | 
| Region | Chaudière-Appalaches | 
| MRC | Les Appalaches Regional County Municipality | 
| Physical characteristics | |
| Source | Forest streams | 
| • location | Saint-Jacques-le-Majeur-de-Wolfestown | 
| • coordinates | 45°54′05″N 71°30′28″W / 45.901509°N 71.507726°W | 
| • elevation | 386 m (1,266 ft) | 
| Mouth | Rivière au Pin | 
 • location  | Saint-Julien | 
 • coordinates  | 45°59′47″N 71°27′42″W / 45.99639°N 71.46166°W | 
 • elevation  | 219 m (719 ft) | 
| Length | 12.2 km (7.6 mi) | 
| Basin features | |
| Progression | Rivière au Pin, Bécancour River, St. Lawrence River | 
| Tributaries | |
| • left | (upstream) ruisseau Lacroix, ruisseau Grimard. | 
| • right | (upstream) ruisseau Croteau. | 
The Blanche River (in French: rivière Blanche) is a tributary of the rivière au Pin which is a tributary of the Bécancour River; the latter flows onto the south shore of the St. Lawrence River.
The Blanche River flows through the municipalities of Saint-Jacques-le-Majeur-de-Wolfestown and Saint-Julien, in the Les Appalaches Regional County Municipality (MRC), in the administrative region of Chaudière-Appalaches, in province of Quebec, in Canada.
Geography
The main neighboring watersheds of the Blanche river are:
- north side: rivière au Pin, Bécancour River, Strater pond;
 - east side: Bécancour River, Breeches Lake, Coleraine River;
 - south side: Coulombe North River, Aunière stream, lake Nicolet;
 - west side: Nicolet River, rivière des Vases, Grimard stream, Bulstrode River.
 
The Blanche River originates in the mountains on the north shore of Lake Breeches, in the municipality of Saint-Jacques-le-Majeur-de-Wolfestown. This head area is located 2.6 kilometres (1.6 mi) southeast of the “Chalet Hill” (altitude: 445 metres (1,460 ft)), at 3.4 kilometres (2.1 mi) southeast of the village of Saint-Jacques-le-Majeur-de-Wolfestown and 0.9 kilometres (0.56 mi) northeast of Breeches Lake.
From its head area, the Blanche river flows over 12.2 kilometres (7.6 mi) divided into the following segments:
- 3.0 kilometres (1.9 mi) north, to route 263;
 - 2.7 kilometres (1.7 mi) north, up to the fourth rang road bridge;
 - 1.5 kilometres (0.93 mi) north, to the municipal boundary between Saint-Jacques-le-Majeur-de-Wolfestown and Saint-Julien;
 - 2.0 kilometres (1.2 mi) north, to a road bridge;
 - 1.1 kilometres (0.68 mi) east, until you reach a road;
 - 1.9 kilometres (1.2 mi) towards the northeast, up to its confluence.[1]
 
The Blanche River empties on the west bank of the rivière au Pin. This confluence is located east of the village of Saint-Julien, west of Mont Caribou and 1.1 kilometres (0.68 mi) downstream of the boundary between Irlande) and Saint-Julien.
Toponymy
The toponym “rivière Blanche” was made official on August 7, 1978, at the Commission de toponymie du Québec.[2]