Lac Dédé is a Lake located in Chute-des-Passes; Maria-Chapdelaine, Quebec.

• Latitude: 50° 1' 35'' North   (decimal: 50.0264557)
• Longitude: 72° 8' 31'' West   (decimal: -72.1420350)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Chute-des-Passes; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Dédé
• GPS Coordinate Locator Map: Lac Dédé Lat/Long