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

• Latitude: 48° 31' 17'' North   (decimal: 48.5213889)
• Longitude: 70° 15' 32'' West   (decimal: -70.2588889)
• 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 Égide
• GPS Coordinate Locator Map: Grand lac Égide Lat/Long