Johnstone Lake is a Lake located in 80-11-W3, Saskatchewan and has an elevation of 421 meters.

• Latitude: 55° 58' North   (decimal: 55.9667574)
• Longitude: 107° 37' West   (decimal: -107.6173407)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Saskatchewan
• Elevation: 421 meters
• Location: 80-11-W3
• Atlas of Canada Locator Map: Johnstone Lake
• GPS Coordinate Locator Map: Johnstone Lake Lat/Long