Jolliffe Island is a Island located in Mackenzie, Northwest Territories and has an elevation of 164 meters.

• Latitude: 62° 27' 46'' North   (decimal: 62.4626982)
• Longitude: 114° 20' 35'' West   (decimal: -114.3429406)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Northwest Territories
• Elevation: 164 meters
• Location: Mackenzie
• Atlas of Canada Locator Map: Jolliffe Island
• GPS Coordinate Locator Map: Jolliffe Island Lat/Long