Macdiarmid is a Unincorporated area located in Thunder Bay, Ontario and has an elevation of 275 meters.

• Latitude: 49° 26' 2'' North   (decimal: 49.4338888)
• Longitude: 88° 7' 46'' West   (decimal: -88.1294444)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Compact Rural Community
• Canadian Province/Territory: Ontario
• Elevation: 275 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Macdiarmid
• GPS Coordinate Locator Map: Macdiarmid Lat/Long