Old Walt Rock is a Shoal located in Frontenac, Ontario and has an elevation of 307 meters.

• Latitude: 44° 54' 3'' North   (decimal: 44.9008333)
• Longitude: 77° 11' 17'' West   (decimal: -77.1880555)
• Topography Feature Category: Shoal
• Geographical Feature: Rock
• Canadian Province/Territory: Ontario
• Elevation: 307 meters
• Location: Frontenac
• Atlas of Canada Locator Map: Old Walt Rock
• GPS Coordinate Locator Map: Old Walt Rock Lat/Long