Barrage du Marteau-3 is a Hydraulic construction located in La Tuque; Le Haut-Saint-Maurice, Quebec.

• Latitude: 48° 15' 28'' North   (decimal: 48.2578395)
• Longitude: 73° 59' 40'' West   (decimal: -73.9945634)
• Topography Feature Category: Hydraulic construction
• Geographical Feature: Barrage
• Canadian Province/Territory: Quebec
• Location: La Tuque; Le Haut-Saint-Maurice
• Atlas of Canada Locator Map: Barrage du Marteau-3
• GPS Coordinate Locator Map: Barrage du Marteau-3 Lat/Long