Gemmills Hill is a Mountain located in Lanark, Ontario and has an elevation of 259 meters.

• Latitude: 44° 58' 44'' North   (decimal: 44.9788888)
• Longitude: 76° 38' 30'' West   (decimal: -76.6416666)
• Topography Feature Category: Mountain
• Geographical Feature: Hill
• Canadian Province/Territory: Ontario
• Elevation: 259 meters
• Location: Lanark
• Atlas of Canada Locator Map: Gemmills Hill
• GPS Coordinate Locator Map: Gemmills Hill Lat/Long