Lac Dubé is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec.

• Latitude: 50° 52' 18'' North   (decimal: 50.8717224)
• Longitude: 69° 16' 8'' West   (decimal: -69.2689415)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Lac Dubé
• GPS Coordinate Locator Map: Lac Dubé Lat/Long