Percy Boom is a Unincorporated area located in Northumberland, Ontario and has an elevation of 120 meters.

• Latitude: 44° 14' 9'' North   (decimal: 44.2358333)
• Longitude: 77° 48' 9'' West   (decimal: -77.8024999)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Compact Rural Community
• Canadian Province/Territory: Ontario
• Elevation: 120 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Percy Boom
• GPS Coordinate Locator Map: Percy Boom Lat/Long