Lac du Rocher is a Lake located in Côte-Nord-du-Golfe-du-Saint-Laurent; Basse-Côte-Nord, Quebec.

• Latitude: 51° 28' 14'' North   (decimal: 51.4706102)
• Longitude: 58° 8' 15'' West   (decimal: -58.1374207)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Côte-Nord-du-Golfe-du-Saint-Laurent; Basse-Côte-Nord
• GPS Coordinate Locator Map: Lac du Rocher Lat/Long