Alphonse Bay is a Bay located in Thunder Bay, Ontario and has an elevation of 363 meters.

• Latitude: 50° 26' 00'' North   (decimal: 50.4333333)
• Longitude: 89° 12' 58'' West   (decimal: -89.2161111)
• Topography Feature Category: Bay
• Geographical Feature: Bay
• Canadian Province/Territory: Ontario
• Elevation: 363 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Alphonse Bay
• GPS Coordinate Locator Map: Alphonse Bay Lat/Long