Barrage Preston is a Hydraulic construction located in Duhamel; Papineau, Quebec and has an elevation of 246 meters.

• Latitude: 46° 4' North   (decimal: 46.0667000)
• Longitude: 75° 3' West   (decimal: -75.0500000)
• Topography Feature Category: Hydraulic construction
• Geographical Feature: Barrage
• Canadian Province/Territory: Quebec
• Elevation: 246 meters
• Location: Duhamel; Papineau
• Atlas of Canada Locator Map: Barrage Preston
• GPS Coordinate Locator Map: Barrage Preston Lat/Long