Lac Grand-Père is a Lake located in Ferland-et-Boilleau; Le Fjord-du-Saguenay, Quebec and has an elevation of 362 meters.

• Latitude: 48° 9' 26'' North   (decimal: 48.1572222)
• Longitude: 70° 47' 7'' West   (decimal: -70.7852778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 362 meters
• Location: Ferland-et-Boilleau; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Grand-Père
• GPS Coordinate Locator Map: Lac Grand-Père Lat/Long