Telfer is a Unincorporated area located in Middlesex, Ontario and has an elevation of 274 meters.

• Latitude: 43° 2' 55'' North   (decimal: 43.0486111)
• Longitude: 81° 23' 44'' West   (decimal: -81.3955555)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Locality
• Canadian Province/Territory: Ontario
• Elevation: 274 meters
• Location: Middlesex
• Atlas of Canada Locator Map: Telfer
• GPS Coordinate Locator Map: Telfer Lat/Long