Lac Madeleine is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec.

• Latitude: 50° 55' 1'' North   (decimal: 50.9169734)
• Longitude: 68° 54' 36'' West   (decimal: -68.9100185)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-aux-Outardes; Manicouagan
• GPS Coordinate Locator Map: Lac Madeleine Lat/Long