Johnsons Bay is a Bay located in Lanark, Ontario and has an elevation of 121 meters.

• Latitude: 44° 53' 49'' North   (decimal: 44.8969444)
• Longitude: 76° 2' 23'' West   (decimal: -76.0397222)
• Topography Feature Category: Bay
• Geographical Feature: Bay
• Canadian Province/Territory: Ontario
• Elevation: 121 meters
• Location: Lanark
• Atlas of Canada Locator Map: Johnsons Bay
• GPS Coordinate Locator Map: Johnsons Bay Lat/Long