Smooth Rock is a Shoal located in Manitoulin, Ontario and has an elevation of 177 meters.

• Latitude: 45° 55' 5'' North   (decimal: 45.9180555)
• Longitude: 81° 19' 18'' West   (decimal: -81.3216666)
• Topography Feature Category: Shoal
• Geographical Feature: Rock
• Canadian Province/Territory: Ontario
• Elevation: 177 meters
• Location: Manitoulin
• Atlas of Canada Locator Map: Smooth Rock
• GPS Coordinate Locator Map: Smooth Rock Lat/Long