Mahaffy Drain is a Hydraulic construction located in Perth, Ontario and has an elevation of 336 meters.

• Latitude: 43° 25' 32'' North   (decimal: 43.4255555)
• Longitude: 81° 17' 26'' West   (decimal: -81.2905555)
• Topography Feature Category: Hydraulic construction
• Geographical Feature: Drain
• Canadian Province/Territory: Ontario
• Elevation: 336 meters
• Location: Perth
• Atlas of Canada Locator Map: Mahaffy Drain
• GPS Coordinate Locator Map: Mahaffy Drain Lat/Long