Big Island is a Island located in Mackenzie, Northwest Territories and has an elevation of 256 meters.

• Latitude: 63° 18' 1'' North   (decimal: 63.3001961)
• Longitude: 117° 53' 5'' West   (decimal: -117.8848196)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Northwest Territories
• Elevation: 256 meters
• Location: Mackenzie
• Atlas of Canada Locator Map: Big Island
• GPS Coordinate Locator Map: Big Island Lat/Long