Rouilles River

The Rivière aux Rouilles (English: Rusty River) is a tributary of the Saint-Maurice River, flowing on the north bank of the Saint Lawrence River, entirely in the Lac à la Tortue from the city of Shawinigan, in the administrative region of Mauricie, in the province of Quebec, in Canada.

Rouilles River
Location
CountryCanada
ProvinceQuebec
RegionMauricie
CityShawinigan
SectorLac-à-la-Tortue
Physical characteristics
SourceStream draining a marsh area
 • locationShawinigan (sector Lac-à-la-Tortue)
 • coordinates46.573095°N 72.633059°W / 46.573095; -72.633059
 • elevation125 m (410 ft)
MouthSaint-Maurice River
 • location
Shawinigan (sector Lac-à-la-Tortue)
 • coordinates
46.578125°N 72.681135°W / 46.578125; -72.681135
 • elevation
79 m (259 ft)
Length4.4 km (2.7 mi)
Basin features
ProgressionSaint-Maurice River, Saint Lawrence River
Tributaries 
 • rightDischarge of lac Pratte

The course of the Rouilles river descends into the forest zone, passing from the south side of the hamlet Lac-Pratte. Its upper course drains marsh areas on the east and south sides.

Geography

The Rivière aux Rouilles rises at the southwestern limit of the Lac-à-la-Tortue Ecological Reserve in the Lac-à-la-Tortue sector of the town of Shawinigan. This source is located at:

From its source, the Rouilles river flows over 4.4 kilometres (2.7 mi), according to the following segments:

  • 2.8 kilometres (1.7 mi) westward, to the bridge on chemin Saint-Mathieu range
  • 1.6 kilometres (0.99 mi) north-west, to its confluence.[1]

The Rivière aux Rouilles flows into a river curve on the south bank of the Saint-Maurice River upstream from the Shawinigan dam and downstream from the railway bridge which spans the Saint-Maurice River at the foot from the Grand-Mère dam. The confluence of the Rivière aux Rouilles is located upstream of the La Gabelle dam at:

  • 4.8 kilometres (3.0 mi) downstream of the Grand-Mère dam;
  • 1.5 kilometres (0.93 mi) upstream of the Ile des Hêtres located upstream of the Shawinigan dam on the Saint-Maurice river.

Toponymy

The toponym Rivière aux Rouilles was formalized on March 6, 1975 at the Commission de toponymie du Québec.[2]

Notes and references
  1. River segments measured from the Atlas of Canada (published on the Internet) from the Department of Natural Resources Canada.
  2. Commission de toponymie du Québec - Rivière aux Rouilles

Appendices
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