Appin is a Unincorporated area located in Middlesex, Ontario and has an elevation of 207 meters.

• Latitude: 42° 47' 45'' North   (decimal: 42.7958333)
• Longitude: 81° 38' 57'' West   (decimal: -81.6491666)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Suburban Community
• Canadian Province/Territory: Ontario
• Elevation: 207 meters
• Location: Middlesex
• Atlas of Canada Locator Map: Appin
• GPS Coordinate Locator Map: Appin Lat/Long