Cours d'eau Langevin is a River located in Alma; Lac-Saint-Jean-Est, Quebec.

• Latitude: 48° 39' 20'' North   (decimal: 48.6555556)
• Longitude: 71° 38' 40'' West   (decimal: -71.6444444)
• Topography Feature Category: River
• Geographical Feature: Cours d'eau agricole
• Canadian Province/Territory: Quebec
• Location: Alma; Lac-Saint-Jean-Est
• Atlas of Canada Locator Map: Cours d'eau Langevin
• GPS Coordinate Locator Map: Cours d'eau Langevin Lat/Long