Lac de la Grosse is a Lake located in Sagard; Charlevoix-Est, Quebec.

• Latitude: 48° 3' 56'' North   (decimal: 48.0655807)
• Longitude: 70° 11' 50'' West   (decimal: -70.1972891)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Sagard; Charlevoix-Est
• Atlas of Canada Locator Map: Lac de la Grosse
• GPS Coordinate Locator Map: Lac de la Grosse Lat/Long