The Blanche River (French: "Rivière Blanche") is a stream flowing in the municipalities of

Saint-Ubalde Saint-Ubalde is a rural municipality in Portneuf County in the Canadian province of Quebec. Geographically its territory is marked by an agricultural and populated area in the south-west, and an undeveloped hilly area in the north-east where t ...

, Saint-Thuribe, Saint-Alban and Saint-Casimir, in the

Portneuf Regional County Municipality Portneuf is a regional county municipality (RCM) in the Capitale-Nationale administrative region of Quebec, Canada. RCM of Portneuf has been established on January 1, 1982. It is composed of 21 municipalities: nine cities, seven municipalities, ...

, in the administrative region from

Capitale-Nationale Capitale-Nationale (; en, National Capital region) is one of the 17 administrative regions of Quebec. It is anchored by the provincial capital, Quebec City, and is largely coextensive with that city's metropolitan area. It has a land area of 18,7 ...

, to

Quebec Quebec ( ; )According to the Canadian government, ''Québec'' (with the acute accent) is the official name in Canadian French and ''Quebec'' (without the accent) is the province's official name in Canadian English is one of the thirtee ...

, to Canada. The White River flows mainly in an agricultural environment, while passing near the villages of

and Saint-Casimir. The surface of the Blanche River (except the rapids areas) is generally frozen from the beginning of December to the end of March, but the safe circulation on the ice is generally made from the end of December to the beginning of March.

Geography

The watershed of the Blanche River has an area of .. This basin represents 37% of that of the

Noire River Noire River or Rivière Noire may refer to: North America * Grande rivière Noire or Big Black River (Saint John River tributary), in Maine, United States, and Quebec, Canada * Noire River (L'Assomption River tributary), Matawinie, Lanaudière, Q ...

. The Blanche river rises at Lac Blanc (altitude of 143 m), in Saint-Hubalde. This lake is supplied with: * north side: the "Rivière des Pins" which receives the waters of Lac des Pins (altitude of ), located further north. The latter supplies the discharge from a series of lakes: Gervais, "du Canard", Saint-Laurent, "de la Galette" and at l'Équerre; * northeast side: the outlet of Emerald Lake () (located near the mountain of Lac Richard); * southwest side: the outlet of a series of lakes: Rond (), "à Francis" (155 m), Travers (161 m), Perron (189 m), Perreault (185 m)) and the Lac Froid (197 m). With 3.75 km long, Lac Blanc is renowned for its resort and recreational tourism activities, including camping and nautical activities. The mouth is located southwest of Lac Blanc. ''Course in Saint-Ubalde'' From the mouth of Lac Blanc, the Blanche river turns southeast for 1.1 km to the mouth of Boisvert stream (note: approximately 215 m after the mouth, the current crosses the Morissette Falls). Then the river goes south for 9.1 km passing northeast of the village of Saint-Ubalde, then recovering the waters of the "arm fafan" and "Morel stream". The river continues its descent over 1.3 km to the mouth of the

Weller River The Weller River (Stream) is a tributary left bank of the Blanche River (St-Casimir) whose confluence is found east of the municipality of Saint-Ubalde, in the Portneuf Regional County Municipality, in the administrative region of Capitale-Nation ...

(receiving the waters of Carillon Lake, Sept-Îles), Anguilla and "Lac en Coeur"). From there, the waters flow south over a segment of 360 m to reach the limit of Saint-Thuribe. ''Course in Saint-Thuribe, Saint-Alban and Saint-Casimir'' Then, the river flows 4.4 km to the southeast in Saint-Thuribe. Then the river makes a 2.1 km foray into Saint-Alban by crossing the Chute at Bélanger and passing by a saw, to return to flow in Saint-Thuribe. From this municipal limit, the river descends for 1.25 km to the mouth of the outlet of Lac Travers. Then, the river flows 8.2 km south in Saint-Thuribe to its confluence where it flows on the west bank of the Black River. From there, this last 1.8 km route to the south to empty into the

Sainte-Anne River The Sainte-Anne River is a tributary of the north shore of the Saint Lawrence River, whose mouth is located at Sainte-Anne-de-la-Pérade. This river flows in the province of Quebec, Canada, in the administrative regions of: * Capitale-Nationale: ...

, near Grandbois Island, at the eastern edge of the village from Saint-Casimir. This confluence is located 4.2 km (measured by the current) upstream from the limit of the MRC of

or 8.1 km upstream from the bridges of Autoroute 40 or 11.5 km upstream from the mouth of the

Land use

The Blanche River watershed is located mainly in a forest environment, with the exception of the downstream section of the river, i.e. in a highly agricultural environment..

Toponymy

The toponym "Rivière Blanche" (Portneuf) was formalized on December 5, 1968, at the Place Names Bank of the Commission de toponymie du Québec.

References

Bibliography

External links