Harstone is a Unincorporated area located in Thunder Bay, Ontario and has an elevation of 229 meters.

• Latitude: 48° 21' 44'' North   (decimal: 48.3622222)
• Longitude: 89° 37' 29'' West   (decimal: -89.6247222)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Dispersed Rural Community
• Canadian Province/Territory: Ontario
• Elevation: 229 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Harstone
• GPS Coordinate Locator Map: Harstone Lat/Long