Lac Perdu is a Lake located in Stoneham-et-Tewkesbury; La Jacques-Cartier, Quebec.

• Latitude: 47° 12' 57'' North   (decimal: 47.2158333)
• Longitude: 71° 35' 17'' West   (decimal: -71.5880556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Stoneham-et-Tewkesbury; La Jacques-Cartier
• Atlas of Canada Locator Map: Lac Perdu
• GPS Coordinate Locator Map: Lac Perdu Lat/Long