William Johns Mountain is a Mountain located in Renfrew, Ontario and has an elevation of 323 meters.

• Latitude: 45° 15' 35'' North   (decimal: 45.2597222)
• Longitude: 77° 34' 28'' West   (decimal: -77.5744444)
• Topography Feature Category: Mountain
• Geographical Feature: Mountain
• Canadian Province/Territory: Ontario
• Elevation: 323 meters
• Location: Renfrew
• Atlas of Canada Locator Map: William Johns Mountain
• GPS Coordinate Locator Map: William Johns Mountain Lat/Long