Lac Dubuc is a Lake located in Rivière-Nipissis; Sept-Rivières, Quebec and has an elevation of 486 meters.

• Latitude: 51° 5' 37'' North   (decimal: 51.0936111)
• Longitude: 66° 5' 7'' West   (decimal: -66.0852778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 486 meters
• Location: Rivière-Nipissis; Sept-Rivières
• Atlas of Canada Locator Map: Lac Dubuc
• GPS Coordinate Locator Map: Lac Dubuc Lat/Long