Winchester is a Unincorporated area located in Dundas, Ontario and has an elevation of 77 meters.

• Latitude: 45° 5' 31'' North   (decimal: 45.0919444)
• Longitude: 75° 21' 8'' West   (decimal: -75.3522222)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Community
• Canadian Province/Territory: Ontario
• Elevation: 77 meters
• Location: Dundas
• Atlas of Canada Locator Map: Winchester
• GPS Coordinate Locator Map: Winchester Lat/Long