Thompson Mountain is a Mountain located in Renfrew, Ontario and has an elevation of 329 meters.

• Latitude: 45° 8' 47'' North   (decimal: 45.1463888)
• Longitude: 77° 8' 53'' West   (decimal: -77.1480555)
• Topography Feature Category: Mountain
• Geographical Feature: Mountain
• Canadian Province/Territory: Ontario
• Elevation: 329 meters
• Location: Renfrew
• Atlas of Canada Locator Map: Thompson Mountain
• GPS Coordinate Locator Map: Thompson Mountain Lat/Long