Tisdall Island is a Island located in Thunder Bay, Ontario and has an elevation of 185 meters.

• Latitude: 48° 40' 34'' North   (decimal: 48.6761111)
• Longitude: 88° 3' 10'' West   (decimal: -88.0527777)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 185 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Tisdall Island
• GPS Coordinate Locator Map: Tisdall Island Lat/Long