Gull Island is a Island located in Northumberland, Ontario and has an elevation of 76 meters.

• Latitude: 43° 59' 00'' North   (decimal: 43.9833333)
• Longitude: 77° 44' 22'' West   (decimal: -77.7394444)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 76 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Gull Island
• GPS Coordinate Locator Map: Gull Island Lat/Long