Rivière du Sud-Ouest (Saint Lawrence River tributary)

Rivière du Sud-Ouest
Southwest river in Bic National Park
Location
CountryCanada
ProvinceQuebec
RegionChaudière-Appalaches
Regional County MunicipalityMontmagny Regional County Municipality
Physical characteristics
SourceLake Saint-Mathieu
  locationSaint-Mathieu-de-Rioux
  coordinates48°10′19″N 68°59′40″E / 48.172053°N 68.99442°E / 48.172053; 68.99442
MouthSaint Lawrence River
  location
Rimouski
  coordinates
48°21′25″N 68°45′23″W / 48.35695°N 68.75639°W / 48.35695; -68.75639
  elevation
4 m (13 ft)
Length23 km (14 mi)
Basin features
Tributaries 
  left(Upstream) Rossignol Creek, Lac des Coulombe outlet, Lac Fournier and Lac Caouette outlet, Ernest-Boucher stream.
  right(Upstream) Morin stream, Beaver stream, Simon stream, Grand Lac Malobès outlet, Cold stream.

The Rivière du Sud-Ouest (French pronunciation: [ʁivjɛʁ dy syd wɛst], "River of the South-West") is a tributary of the southeast coast of the St. Lawrence River. This river flows in the administrative region of Bas-Saint-Laurent, in Quebec, in Canada, in the regional county municipalities of: