Lac Dubuc is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 403 meters.

• Latitude: 49° 19' 23'' North   (decimal: 49.3230556)
• Longitude: 69° 51' 51'' West   (decimal: -69.8641667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 403 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Dubuc
• GPS Coordinate Locator Map: Lac Dubuc Lat/Long