Dupuis Island is a Island located in Thunder Bay, Ontario and has an elevation of 186 meters.

• Latitude: 48° 41' 4'' North   (decimal: 48.6844444)
• Longitude: 86° 58' 42'' West   (decimal: -86.9783333)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 186 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Dupuis Island
• GPS Coordinate Locator Map: Dupuis Island Lat/Long