Three Islands is a Island located in Northumberland, New Brunswick and has an elevation of 48 meters.

• Latitude: 47° 11' 9'' North   (decimal: 47.1857306)
• Longitude: 65° 49' 46'' West   (decimal: -65.8293912)
• Topography Feature Category: Island
• Geographical Feature: Islands
• Canadian Province/Territory: New Brunswick
• Elevation: 48 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Three Islands
• GPS Coordinate Locator Map: Three Islands Lat/Long