Lac du Grand Ruisseau is a Lake located in Lac-Ministuk; Le Fjord-du-Saguenay, Quebec and has an elevation of 577 meters.

• Latitude: 48° 5' 58'' North   (decimal: 48.0994444)
• Longitude: 71° 23' 48'' West   (decimal: -71.3966666)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 577 meters
• Location: Lac-Ministuk; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac du Grand Ruisseau
• GPS Coordinate Locator Map: Lac du Grand Ruisseau Lat/Long