Rocher du Duc is a Island located in Saint-Augustin; Basse-Côte-Nord, Quebec and has an elevation of 0 meters.

• Latitude: 51° 12' 38'' North   (decimal: 51.2106126)
• Longitude: 58° 19' 9'' West   (decimal: -58.3190952)
• Topography Feature Category: Island
• Geographical Feature: Rocher
• Canadian Province/Territory: Quebec
• Elevation: 0 meters
• Location: Saint-Augustin; Basse-Côte-Nord
• Atlas of Canada Locator Map: Rocher du Duc
• GPS Coordinate Locator Map: Rocher du Duc Lat/Long