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Bernier River (Saint-Maurice River tributary) facts for kids

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Bernier River
Country Canada
Province Quebec
Region Mauricie
Regional County Municipality Maskinongé Regional County Municipality
Physical characteristics
Main source Martel Lake
181 m (594 ft)
River mouth Saint-Maurice River
32 m (105 ft)
Length 10.0 km (6.2 mi)
Basin features
Progression Saint-François River, St. Lawrence River
  • Right:
    Blanche River

The Bernier River is a tributary of the Saint-Maurice River, flowing on the north shore of the Saint Lawrence River, entirely in the municipality of Saint-Boniface, in the Maskinongé Regional County Municipality, in the administrative region of Mauricie, at Quebec, in Canada.

The course of the Bernier River generally descends to the southeast, in forest or agricultural areas. Its course passes between the village of Saint-Boniface and the city of Shawinigan.

The river surface is generally frozen from mid-December to the end of March. Safe traffic on the ice is generally from late December to early March. The water level of the river varies with the seasons and the precipitation.


The Bernier River rises at the mouth of Lake Martel (length: 0.5 kilometres (0.31 mi); altitude: 181 metres (594 ft)) in Saint- Boniface. This source is located at:

  • 5.6 kilometres (3.5 mi) north of the village center of Saint-Boniface;
  • 4.7 kilometres (2.9 mi) north of the village center of Saint-Gérard-des-Laurentides;
  • 4.6 kilometres (2.9 mi) north-west of Shawinigan Bay.

From its source, the Bernier River flows over 10.0 kilometres (6.2 mi), according to the following segments:

  • 2.9 kilometres (1.8 mi) south-east in Saint-Boniface, to the [Canadian National] railway bridge;
  • 3.1 kilometres (1.9 mi) to the southeast, crossing the route 153 at the end of the segment, up to the bridge of the highway 55;
  • 0.9 kilometres (0.56 mi) south-east, collecting the waters from the confluence of the Blanche River, up to Bellevue road;
  • 3.1 kilometres (1.9 mi) northeasterly, to its confluence.

The Bernier River flows on the west bank of the Saint-Maurice River into Saint-Boniface downstream from Shawinigan Bay. The confluence of the Bernier River is located at:

  • 3.0 kilometres (1.9 mi) downstream from the confluence of the Shawinigan River which flows at the foot of the Shawinigan dam;
  • 3.8 kilometres (2.4 mi) east of the village center of Saint-Boniface;
  • 4.7 kilometres (2.9 mi) downstream of the railway bridge spanning the Saint-Maurice river upstream of the La Gabelle dam.


The toponym Bernier river was formalized on March 6, 1975 at the Commission de toponymie du Québec.


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