La Grosse Île is a Island located in Baie-James; Jamésie, Quebec and has an elevation of 389 meters.

• Latitude: 51° 0' 52'' North   (decimal: 51.0144444)
• Longitude: 73° 42' 8'' West   (decimal: -73.7022222)
• Topography Feature Category: Island
• Geographical Feature: Île / Ile
• Canadian Province/Territory: Quebec
• Elevation: 389 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: La Grosse Île
• GPS Coordinate Locator Map: La Grosse Île Lat/Long