Lac du Cornet is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec.

• Latitude: 48° 28' 26'' North   (decimal: 48.4739145)
• Longitude: 69° 43' 9'' West   (decimal: -69.7192223)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac du Cornet
• GPS Coordinate Locator Map: Lac du Cornet Lat/Long