Horning's Mills is a Unincorporated area located in Dufferin, Ontario and has an elevation of 456 meters.

• Latitude: 44° 9' 24'' North   (decimal: 44.1566666)
• Longitude: 80° 12' 19'' West   (decimal: -80.2052777)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Police Village
• Canadian Province/Territory: Ontario
• Elevation: 456 meters
• Location: Dufferin
• Atlas of Canada Locator Map: Horning's Mills
• GPS Coordinate Locator Map: Horning's Mills Lat/Long