Pinnacle Rock is a Shoal located in Thunder Bay, Ontario and has an elevation of 188 meters.

• Latitude: 48° 3' 46'' North   (decimal: 48.0627777)
• Longitude: 89° 24' 11'' West   (decimal: -89.4030555)
• Topography Feature Category: Shoal
• Geographical Feature: Rock
• Canadian Province/Territory: Ontario
• Elevation: 188 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Pinnacle Rock
• GPS Coordinate Locator Map: Pinnacle Rock Lat/Long