Lac Dupuis is a Lake located in Sainte-Marguerite¿Estérel; Les Pays-d'en-Haut, Quebec and has an elevation of 349 meters.

• Latitude: 46° 2' 5'' North   (decimal: 46.0347221)
• Longitude: 74° 1' 9'' West   (decimal: -74.0191666)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 349 meters
• Location: Sainte-Marguerite¿Estérel; Les Pays-d'en-Haut
• Atlas of Canada Locator Map: Lac Dupuis
• GPS Coordinate Locator Map: Lac Dupuis Lat/Long