Lac du Ouest is a Lake located in Grande-Rivière; Le Rocher-Percé, Quebec and has an elevation of 113 meters.

• Latitude: 48° 27' 8'' North   (decimal: 48.4522222)
• Longitude: 64° 30' 5'' West   (decimal: -64.5013888)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 113 meters
• Location: Grande-Rivière; Le Rocher-Percé
• Atlas of Canada Locator Map: Lac du Ouest
• GPS Coordinate Locator Map: Lac du Ouest Lat/Long