Île Demontigny is a Island located in Blue Sea; La Vallée-de-la-Gatineau, Quebec and has an elevation of 169 meters.

• Latitude: 46° 12' 44'' North   (decimal: 46.2122222)
• Longitude: 76° 3' 53'' West   (decimal: -76.0647222)
• Topography Feature Category: Island
• Geographical Feature: Île / Ile
• Canadian Province/Territory: Quebec
• Elevation: 169 meters
• Location: Blue Sea; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Île Demontigny
• GPS Coordinate Locator Map: Île Demontigny Lat/Long