Île Gagnon is a Island located in L'Isle-aux-Allumettes; Pontiac, Quebec and has an elevation of 115 meters.

• Latitude: 45° 53' 39'' North   (decimal: 45.8941667)
• Longitude: 77° 12' 17'' West   (decimal: -77.2047222)
• Topography Feature Category: Island
• Geographical Feature: Île / Ile
• Canadian Province/Territory: Quebec
• Elevation: 115 meters
• Location: L'Isle-aux-Allumettes; Pontiac
• Atlas of Canada Locator Map: Île Gagnon
• GPS Coordinate Locator Map: Île Gagnon Lat/Long