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

• Latitude: 47° 56' 20'' North   (decimal: 47.9389404)
• Longitude: 73° 32' 58'' West   (decimal: -73.5495575)
• 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 Lac-Long
• GPS Coordinate Locator Map: Barrage du Lac-Long Lat/Long