Big Island is a Island located in Mackenzie, Northwest Territories and has an elevation of 158 meters.

• Latitude: 61° 7' 0'' North   (decimal: 61.1167916)
• Longitude: 116° 42' 5'' West   (decimal: -116.7013922)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Northwest Territories
• Elevation: 158 meters
• Location: Mackenzie
• Atlas of Canada Locator Map: Big Island
• GPS Coordinate Locator Map: Big Island Lat/Long