La Grosse Île is a Island located in Baie-James; Jamésie, Quebec and has an elevation of 365 meters.

• Latitude: 49° 54' 35'' North   (decimal: 49.9097222)
• Longitude: 74° 54' 27'' West   (decimal: -74.9074999)
• Topography Feature Category: Island
• Geographical Feature: Île / Ile
• Canadian Province/Territory: Quebec
• Elevation: 365 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: La Grosse Île
• GPS Coordinate Locator Map: La Grosse Île Lat/Long