Wemyss is a Unincorporated area located in Lanark, Ontario and has an elevation of 150 meters.

• Latitude: 44° 52' 12'' North   (decimal: 44.8700000)
• Longitude: 76° 23' 9'' West   (decimal: -76.3858333)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Dispersed Rural Community
• Canadian Province/Territory: Ontario
• Elevation: 150 meters
• Location: Lanark
• Atlas of Canada Locator Map: Wemyss
• GPS Coordinate Locator Map: Wemyss Lat/Long