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

• Latitude: 48° 14' 5'' North   (decimal: 48.2347829)
• Longitude: 73° 56' 27'' West   (decimal: -73.9409511)
• Topography Feature Category: Hydraulic construction
• Geographical Feature: Barrage
• Canadian Province/Territory: Quebec
• Location: La Tuque; Le Haut-Saint-Maurice
• GPS Coordinate Locator Map: Barrage Marteau-Un Lat/Long