Cours d'eau W.-Poirier is a River located in Bonaventure; Bonaventure, Quebec.

• Latitude: 48° 2' 28'' North   (decimal: 48.0411603)
• Longitude: 65° 28' 9'' West   (decimal: -65.4690823)
• Topography Feature Category: River
• Geographical Feature: Cours d'eau agricole
• Canadian Province/Territory: Quebec
• Location: Bonaventure; Bonaventure
• Atlas of Canada Locator Map: Cours d'eau W.-Poirier
• GPS Coordinate Locator Map: Cours d'eau W.-Poirier Lat/Long