Grand lac David is a Lake located in Mont-Valin; Le Fjord-du-Saguenay, Quebec.

• Latitude: 49° 3' 56'' North   (decimal: 49.0655556)
• Longitude: 70° 52' 17'' West   (decimal: -70.8713889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Grand lac David
• GPS Coordinate Locator Map: Grand lac David Lat/Long