Alder Island is a Island located in Charlotte, New Brunswick and has an elevation of 53 meters.

• Latitude: 45° 20' 58'' North   (decimal: 45.3494958)
• Longitude: 66° 52' 26'' West   (decimal: -66.8738737)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: New Brunswick
• Elevation: 53 meters
• Location: Charlotte
• Atlas of Canada Locator Map: Alder Island
• GPS Coordinate Locator Map: Alder Island Lat/Long