La Grosse Île is a Island located in Lac-Lapeyrère; Portneuf, Quebec and has an elevation of 299 meters.

• Latitude: 47° 15' 37'' North   (decimal: 47.2602778)
• Longitude: 72° 15' 6'' West   (decimal: -72.2516667)
• Topography Feature Category: Island
• Geographical Feature: Île / Ile
• Canadian Province/Territory: Quebec
• Elevation: 299 meters
• Location: Lac-Lapeyrère; Portneuf
• Atlas of Canada Locator Map: La Grosse Île
• GPS Coordinate Locator Map: La Grosse Île Lat/Long