Watch Island is a Island located in Lanark, Ontario and has an elevation of 163 meters.

• Latitude: 44° 47' 48'' North   (decimal: 44.7966666)
• Longitude: 76° 27' 19'' West   (decimal: -76.4552777)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 163 meters
• Location: Lanark
• Atlas of Canada Locator Map: Watch Island
• GPS Coordinate Locator Map: Watch Island Lat/Long