Triangle Island is a Island located in Mackenzie, Northwest Territories and has an elevation of 1 meters.

• Latitude: 69° 42' 0'' North   (decimal: 69.7000706)
• Longitude: 129° 5' 10'' West   (decimal: -129.0860037)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Northwest Territories
• Elevation: 1 meters
• Location: Mackenzie
• Atlas of Canada Locator Map: Triangle Island
• GPS Coordinate Locator Map: Triangle Island Lat/Long