The Cairn is a Shoal located in Glengarry, Ontario and has an elevation of 50 meters.

• Latitude: 45° 7' 18'' North   (decimal: 45.1216666)
• Longitude: 74° 29' 24'' West   (decimal: -74.4900000)
• Topography Feature Category: Shoal
• Geographical Feature: Rock
• Canadian Province/Territory: Ontario
• Elevation: 50 meters
• Location: Glengarry
• Atlas of Canada Locator Map: The Cairn
• GPS Coordinate Locator Map: The Cairn Lat/Long