Lac Perdu is a Lake located in Lac-Douaire; Antoine-Labelle, Quebec and has an elevation of 541 meters.

• Latitude: 46° 42' 26'' North   (decimal: 46.7072738)
• Longitude: 74° 54' 59'' West   (decimal: -74.9162934)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 541 meters
• Location: Lac-Douaire; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Perdu
• GPS Coordinate Locator Map: Lac Perdu Lat/Long