Rivière du Sud-Ouest (Yamaska River tributary)

The Rivière du Sud-Ouest (English: River of South-West) is a tributary of the Yamaska River. It flows in the administrative region of Montérégie, on the South Shore of the St. Lawrence River, in Quebec, Canada. Its course towards the northeast crosses the municipalities of:

Rivière du Sud-Ouest
Location
CountryCanada
ProvinceQuebec
RegionMontérégie
Regional County MunicipalityLe Haut-Richelieu Regional County Municipality, Brome-Missisquoi Regional County Municipality et Rouville Regional County Municipality
Physical characteristics
SourceVarious agricultural streams
 • locationFarham
 • coordinates45°23′34″N 73°00′17″W
 • elevation53 m (174 ft)
MouthSaint Lawrence River
 • location
Saint-Césaire
 • coordinates
45.39278°N 73.00472°W / 45.39278; -73.00472
 • elevation
30 m (98 ft)
Length17.7 km (11.0 mi)
Basin features
Tributaries 
 • left(Upstream) Beaudry stream, Létourneau-Beaudoin stream, Martel stream, Pierre-Lalanne stream.
 • right(Upstream) Rivière des Écossais, Patenaud-Robert outlet, Cirque stream, Thimothé-Martel-Giroux stream, Louis-Boulais stream, Fronteau stream.

Geography

The main hydrographic slopes adjacent to the Southwest River are:

The "Rivière du Sud-Ouest" rises from various agricultural streams located around the hamlet Ménardville, west of the village of Farnham, northwest of the village of Sainte-Sabine, south of the village of Sainte-Brigide-d'Iberville, south of route 104 and south of Canadian National Railway section.

From its head (draining a small area of marsh), the Southwest river flows 5.9 km north in agricultural area to the Canadian National railway; 3.0 km north to route 104 in the village of Sainte-Brigide-d'Iberville; 3.6 km north to Martel Creek; 2.4 km northeasterly to autoroute 10; and 3.5 km north-east to its mouth.

The South-West river flows on the west bank of the Yamaska River in the municipality of Saint-Césaire. This mouth is 2.6 km upstream from the Saint-Césaire bridge over the Yamaska River (route 112) and 2.8 km downstream from the Autoroute 10 bridge.

Toponymy

The toponym "Rivière du Sud-Ouest" was officially registered on December 5, 1968 at the Bank of Place Names of the Commission de toponymie du Québec.[1]

Notes and references
  1. Commission de toponymie du Québec - Bank of Place Names - Rivière Du Sud-Ouest
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See also
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