Lac Dubé is a Lake located in Lac-Achouakan; Lac-Saint-Jean-Est, Quebec and has an elevation of 590 meters.

• Latitude: 48° 1' 9'' North   (decimal: 48.0191667)
• Longitude: 71° 39' 54'' West   (decimal: -71.665)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 590 meters
• Location: Lac-Achouakan; Lac-Saint-Jean-Est
• Atlas of Canada Locator Map: Lac Dubé
• GPS Coordinate Locator Map: Lac Dubé Lat/Long