Porcupine Island is a Island located in Northumberland, New Brunswick and has an elevation of 83 meters.

• Latitude: 46° 31' 31'' North   (decimal: 46.5251826)
• Longitude: 66° 15' 32'' West   (decimal: -66.2589844)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: New Brunswick
• Elevation: 83 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Porcupine Island
• GPS Coordinate Locator Map: Porcupine Island Lat/Long