Grande-Rivière-Ouest is a Unincorporated area located in Grande-Rivière; Le Rocher-Percé, Quebec.

• Latitude: 48° 23' 49'' North   (decimal: 48.3970015)
• Longitude: 64° 30' 47'' West   (decimal: -64.5129306)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Bureau de poste
• Canadian Province/Territory: Quebec
• Location: Grande-Rivière; Le Rocher-Percé
• Atlas of Canada Locator Map: Grande-Rivière-Ouest
• GPS Coordinate Locator Map: Grande-Rivière-Ouest Lat/Long