Eddystone is a Unincorporated area located in Northumberland, Ontario and has an elevation of 219 meters.

• Latitude: 44° 3' 21'' North   (decimal: 44.0558333)
• Longitude: 78° 1' 9'' West   (decimal: -78.0191666)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Dispersed Rural Community
• Canadian Province/Territory: Ontario
• Elevation: 219 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Eddystone
• GPS Coordinate Locator Map: Eddystone Lat/Long