Loretta Rock is a Shoal located in Lanark, Ontario.

• Latitude: 44° 47' 36'' North   (decimal: 44.7933333)
• Longitude: 76° 12' 50'' West   (decimal: -76.2138888)
• Topography Feature Category: Shoal
• Geographical Feature: Rock
• Canadian Province/Territory: Ontario
• Location: Lanark
• Atlas of Canada Locator Map: Loretta Rock
• GPS Coordinate Locator Map: Loretta Rock Lat/Long