Les Marches-du-Géant is a Unincorporated area located in Rivière-aux-Outardes; Manicouagan, Quebec.

• Latitude: 51° 28' 45'' North   (decimal: 51.4792049)
• Longitude: 68° 6' 38'' West   (decimal: -68.1105354)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Lieu-dit
• Canadian Province/Territory: Quebec
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Les Marches-du-Géant
• GPS Coordinate Locator Map: Les Marches-du-Géant Lat/Long