Howell Rock is a Shoal located in Leeds, Ontario.

• Latitude: 44° 43' 55'' North   (decimal: 44.7319444)
• Longitude: 76° 12' 39'' West   (decimal: -76.2108333)
• Topography Feature Category: Shoal
• Geographical Feature: Rock
• Canadian Province/Territory: Ontario
• Location: Leeds
• Atlas of Canada Locator Map: Howell Rock
• GPS Coordinate Locator Map: Howell Rock Lat/Long