Lac la Grosse is a Lake located in Baie-Saint-Paul; Charlevoix, Quebec.

• Latitude: 47° 25' 45'' North   (decimal: 47.4291878)
• Longitude: 70° 50' 41'' West   (decimal: -70.8448119)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-Saint-Paul; Charlevoix
• GPS Coordinate Locator Map: Lac la Grosse Lat/Long