Grieve Rock is a Shoal located in Muskoka, Ontario and has an elevation of 175 meters.

• Latitude: 44° 59' 20'' North   (decimal: 44.9888888)
• Longitude: 80° 2' 17'' West   (decimal: -80.0380555)
• Topography Feature Category: Shoal
• Geographical Feature: Rock
• Canadian Province/Territory: Ontario
• Elevation: 175 meters
• Location: Muskoka
• Atlas of Canada Locator Map: Grieve Rock
• GPS Coordinate Locator Map: Grieve Rock Lat/Long