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The Rivière Rouge (English: Red River) is a tributary of the Ouareau River, flowing in the administrative region of Lanaudière, in the province of Quebec, in Canada.

• MRC de Matawinie: municipalities of Chertsey, Saint-Alphonse-Rodriguez and Rawdon;
• MRC de Montcalm: Saint-Liguori;
• MRC of Joliette Regional County Municipality: municipalities of Saint-Ambroise-de-Kildare and Crabtree.

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Rouge River
Location
Country	Canada
Province	Quebec
Region	Lanaudière
Regional County Municipality	Matawinie Regional County Municipality, Montcalm Regional County Municipality, Joliette Regional County Municipality
Physical characteristics
Source	Couture lake
• location	Chertsey
• coordinates	46°10′08″N 73°46′59″W
• elevation	284 m
Mouth	Ouareau River
• location	Crabtree
• coordinates	45°58′35″N 73°28′32″W
• elevation	31 m
Length	56.5 km (35.1 mi)
Basin features
Progression	Ouareau River, L'Assomption River, Saint Lawrence River
Tributaries
• left	(upward from the mouth) Le Grand Ruisseau, Blanche River, outlet of Lac Marchand, outlet of Lac Pinatel, outlet of Lac Crépeau, outlet of Lac Gareau.
• right	(upward from the mouth) Discharge from Lake at Shields, discharge from Lake Lévis, discharge from Lake Morgan, discharge from Lac à Foin and Lac Curley.

The course of the river passes on the south side of the village of Rawdon.^{[citation needed]}

Forestry s the main economic activity in the upper part of the valley, but there is also agriculture in the middle and the lower parts except in the villages.[1]

Geography

The Red River takes its source at the mouth of Couture Lake (length: 0.8 km (0.50 mi); altitude: 281 m (922 ft)), taking the shape of a mushroom and located in the north-eastern part of Chertsey. The mouth of this lake is located 12.1 km (7.5 mi) west of the center of the village of Sainte-Béatrix, at 14.6 km (9.1 mi) north of the center of village of Rawdon, at 6.5 km (4.0 mi) east of the Ouareau river.^{[citation needed]}

From the mouth of Couture Lake, the Rouge River flows over 56.5 km (35.1 mi), with a drop of 253 m (830 ft), according to the following segments:^{[citation needed]}

Upper course of Rouge River (segment of 24.6 km (15.3 mi))

• 1.2 km (0.75 mi) towards the south-east, up to the limit of Saint-Alphonse-Rodriguez;
• 1.0 km (0.62 mi) north in Saint-Alphonse-Rodriguez, to the outlet of Lac Gareau (coming from the north);
• 2.8 km (1.7 mi) towards the northeast, to the northern end of Lac Gareau;
• 2.8 km (1.7 mi) towards the south, successively crossing Lac Joly, Lac de la Fromantière (length: 1.5 km (0.93 mi); altitude: 221 km (137 mi)) and Lake Dontigny (length: 1.3 km (0.81 mi); altitude: 221 km (137 mi)), to the dam to the south of the latter;
• 2.5 km (1.6 mi) south to the outlet of Morgan Lake (coming from the west);
• 0.8 km (0.50 mi) towards the south-east, along the limit between Saint-Alphonse-Rodriguez and Chertsey, to the outlet of lac Marchand (coming from the east);
• 3.6 km (2.2 mi) south into Chertsey, to the forest road bridge;
• 7.7 km (4.8 mi) southward, to the north shore of Rawdon lake;
• 2.2 km (1.4 mi) towards the south, crossing Rawdon lake (length: 2.9 km (1.8 mi); altitude: 155 m (509 ft)) over its full length, up to at the dam at its mouth. Note: Rawdon lake follows the shape of the letter L, the foot of which is oriented towards the east; this lake is located in the village of Rawdon;

Intermediate course of the Rouge River (segment of 31.9 km (19.8 mi))

From the mouth of Rawdon Lake, the Rouge River flows over:^{[citation needed]}

• 2.6 km (1.6 mi) east passing north of the village, forming a hook south, then a large S, to the route 348 (Kildare Road);
• 8.2 km (5.1 mi) (or 2.9 km (1.8 mi) in a direct line) to the east, first forming a loop to the north, then two loops to the south, collecting the discharge (coming from the southwest) of Lake Joe which is located in the middle of a campground, and meandering until crossing the Nadeau road, until the confluence of the Blanche river (coming from the northwest );
• 6.8 km (4.2 mi) (or 4.1 km (2.5 mi) in a direct line) eastward, crossing Lane Road, 5th Rang Road/Wilfrid Road and chemin du 4th Rang, and winding up to the limit of Saint-Ambroise-de-Kildare;
• 1.1 km (0.68 mi) (or 0.5 km (0.31 mi) in a direct line) towards the south-east, winding up to the limit of Chertsey;
• 2.1 km (1.3 mi) (or 1.5 km (0.93 mi) in a direct line) south-east in Chertsey, winding up to the route 346 (rue Héroux-Rang Double);
• 5.5 km (3.4 mi) (or 2.3 km (1.4 mi) in a direct line) towards the southeast, collecting the waters of Le Grand Ruisseau (Red River) (coming from the north) and meandering to the edge of Crabtree;
• 5.6 km (3.5 mi) (or 4.4 km (2.7 mi) in a direct line) south-east in Crabtree, crossing the chemin Saint-Jacques and the route 158 at the end of the segment and winding up to the confluence of the river.[1]

The Red River empties on the north bank of the Ouareau river which descends towards the southeast to the north bank of the L'Assomption River. This confluence is located at:^{[citation needed]}

• 17.0 km (10.6 mi) northwest of the St. Lawrence River;
• 1.2 km (0.75 mi) north of the Crabtree bridge spanning the Ouareau river;
• 5.9 km (3.7 mi) southeast of downtown Joliette.

Toponymy

The toponym Rivière Rouge was made official on December 5, 1968 at the Commission de toponymie du Québec.[2]

See also

• Matawinie Regional County Municipality

References

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