Saint-Louis River (Beauharnois)

Saint-Louis River
Location
CountryCanada
ProvinceQuebec
RegionMontérégie
MRCBeauharnois-Salaberry
Physical characteristics
SourceMarshes and agricultural streams
  locationSainte-Barbe
  coordinates45°08′17″N 74°13′10″W / 45.138095°N 74.219476°W / 45.138095; -74.219476
  elevation48
MouthLake Saint-Louis
  location
Beauharnois
  coordinates
45°18′55″N 73°52′49″W / 45.31528°N 73.88028°W / 45.31528; -73.88028
  elevation
26 m (85 ft)
Length30.3 km (18.8 mi)
Basin features
Tributaries 
  left(from the mouth) discharge Saint-Louis
  right(from the mouth) Vinet stream, Jos.-Montpelier stream, Saint-Édouard stream, Georges-Vinet stream, Himbault stream, E.-Caron stream, Lafontaine stream, Legault-Daigneault descent, Longtin stream, Brisson stream, Bell stream, Saint outlet -Louis, Donohoe Creek.

The Saint-Louis river (French: rivière Saint-Louis, pronounced [ʁivjɛʁ sɛ̃ lwi]) is a tributary of the south shore of the Saint Lawrence River. This river flows through the municipalities of Sainte-Barbe, Saint-Stanislas-de-Kostka, Saint-Louis-de-Gonzague, Saint-Étienne-de-Beauharnois and Beauharnois, in the Beauharnois-Salaberry Regional County Municipality, in the administrative region of Montérégie, in the Southwest of province of Quebec, in Canada.