Barrage du Lac-Long is a Hydraulic construction located in Saint-Alban; Portneuf, Quebec.

• Latitude: 46° 48' 50'' North   (decimal: 46.8139158)
• Longitude: 72° 6' 1'' West   (decimal: -72.1003791)
• Topography Feature Category: Hydraulic construction
• Geographical Feature: Barrage
• Canadian Province/Territory: Quebec
• Location: Saint-Alban; Portneuf
• Atlas of Canada Locator Map: Barrage du Lac-Long
• GPS Coordinate Locator Map: Barrage du Lac-Long Lat/Long