Lac Duminy is a Lake located in Lac-De La Bidière; Antoine-Labelle, Quebec and has an elevation of 426 meters.

• Latitude: 47° 23' 27'' North   (decimal: 47.3908973)
• Longitude: 75° 8' 7'' West   (decimal: -75.1351682)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 426 meters
• Location: Lac-De La Bidière; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Duminy
• GPS Coordinate Locator Map: Lac Duminy Lat/Long