Lac Duval is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 500 meters.

• Latitude: 48° 31' 26'' North   (decimal: 48.5238889)
• Longitude: 69° 55' 17'' West   (decimal: -69.9213889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 500 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Duval
• GPS Coordinate Locator Map: Lac Duval Lat/Long