La Grosse Île is a Island located in Saint-Félix-d'Otis; Le Fjord-du-Saguenay, Quebec and has an elevation of 206 meters.

• Latitude: 48° 18' 46'' North   (decimal: 48.3127778)
• Longitude: 70° 39' 42'' West   (decimal: -70.6616667)
• Topography Feature Category: Island
• Geographical Feature: Île / Ile
• Canadian Province/Territory: Quebec
• Elevation: 206 meters
• Location: Saint-Félix-d'Otis; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: La Grosse Île
• GPS Coordinate Locator Map: La Grosse Île Lat/Long