Lac Dupuis is a Lake located in Saint-Ulric; Matane, Quebec.

• Latitude: 48° 42' 42'' North   (decimal: 48.7117096)
• Longitude: 67° 42' 1'' West   (decimal: -67.7002799)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-Ulric; Matane
• Atlas of Canada Locator Map: Lac Dupuis
• GPS Coordinate Locator Map: Lac Dupuis Lat/Long