Île d'Aulnes is a Island located in Mont-Alexandre; Le Rocher-Percé, Quebec.

• Latitude: 48° 29' 23'' North   (decimal: 48.4897791)
• Longitude: 64° 33' 38'' West   (decimal: -64.5604328)
• Topography Feature Category: Island
• Geographical Feature: Île / Ile
• Canadian Province/Territory: Quebec
• Location: Mont-Alexandre; Le Rocher-Percé
• GPS Coordinate Locator Map: Île d'Aulnes Lat/Long