Johnston Reef is a Shoal located in Nunavut and has an elevation of 0 meters.

• Latitude: 63° 37' North   (decimal: 63.6167000)
• Longitude: 68° 20' West   (decimal: -68.3332999)
• Topography Feature Category: Shoal
• Geographical Feature: Reef
• Canadian Province/Territory: Nunavut
• Elevation: 0 meters
• Atlas of Canada Locator Map: Johnston Reef
• GPS Coordinate Locator Map: Johnston Reef Lat/Long