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

• Latitude: 49° 2' 50'' North   (decimal: 49.0472629)
• Longitude: 68° 50' 38'' West   (decimal: -68.8439348)
• Topography Feature Category: Lake
• Geographical Feature: Lacs
• Canadian Province/Territory: Quebec
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• GPS Coordinate Locator Map: Lacs Perdus Lat/Long