Three Sisters Rocks is a Shoal located in Frontenac, Ontario and has an elevation of 233 meters.

• Latitude: 44° 55' 15'' North   (decimal: 44.9208333)
• Longitude: 76° 48' 15'' West   (decimal: -76.8041666)
• Topography Feature Category: Shoal
• Geographical Feature: Rocks
• Canadian Province/Territory: Ontario
• Elevation: 233 meters
• Location: Frontenac
• Atlas of Canada Locator Map: Three Sisters Rocks
• GPS Coordinate Locator Map: Three Sisters Rocks Lat/Long