Clark Island is a Island located in Glengarry, Ontario and has an elevation of 55 meters.

• Latitude: 45° 2' 54'' North   (decimal: 45.0483333)
• Longitude: 74° 34' 8'' West   (decimal: -74.5688888)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 55 meters
• Location: Glengarry
• Atlas of Canada Locator Map: Clark Island
• GPS Coordinate Locator Map: Clark Island Lat/Long