Barrage la Blanche is a Hydraulic construction located in Mulgrave-et-Derry; Papineau, Quebec.

• Latitude: 45° 43' 33'' North   (decimal: 45.7258827)
• Longitude: 75° 20' 52'' West   (decimal: -75.3477123)
• Topography Feature Category: Hydraulic construction
• Geographical Feature: Barrage
• Canadian Province/Territory: Quebec
• Location: Mulgrave-et-Derry; Papineau
• Atlas of Canada Locator Map: Barrage la Blanche
• GPS Coordinate Locator Map: Barrage la Blanche Lat/Long