Barrage de Grand-Mère is a Hydraulic construction located in Shawinigan; Shawinigan, Quebec and has an elevation of 91 meters.

• Latitude: 46° 36' 55'' North   (decimal: 46.6152777)
• Longitude: 72° 40' 33'' West   (decimal: -72.6758332)
• Topography Feature Category: Hydraulic construction
• Geographical Feature: Barrage
• Canadian Province/Territory: Quebec
• Elevation: 91 meters
• Location: Shawinigan; Shawinigan
• Atlas of Canada Locator Map: Barrage de Grand-Mère
• GPS Coordinate Locator Map: Barrage de Grand-Mère Lat/Long