Hallen Rock is a Shoal located in Muskoka, Ontario.

• Latitude: 44° 49' 47'' North   (decimal: 44.8297222)
• Longitude: 79° 53' 50'' West   (decimal: -79.8972222)
• Topography Feature Category: Shoal
• Geographical Feature: Rock
• Canadian Province/Territory: Ontario
• Location: Muskoka
• Atlas of Canada Locator Map: Hallen Rock
• GPS Coordinate Locator Map: Hallen Rock Lat/Long