Post Island is a Island located in Mackenzie, Northwest Territories and has an elevation of 163 meters.

• Latitude: 62° 17' 1'' North   (decimal: 62.2835469)
• Longitude: 114° 15' 5'' West   (decimal: -114.2512775)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Northwest Territories
• Elevation: 163 meters
• Location: Mackenzie
• Atlas of Canada Locator Map: Post Island
• GPS Coordinate Locator Map: Post Island Lat/Long