Rat Bay is a Bay located in Thunder Bay, Ontario and has an elevation of 437 meters.

• Latitude: 48° 19' 2'' North   (decimal: 48.3172222)
• Longitude: 90° 55' 36'' West   (decimal: -90.9266666)
• Topography Feature Category: Bay
• Geographical Feature: Bay
• Canadian Province/Territory: Ontario
• Elevation: 437 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Rat Bay
• GPS Coordinate Locator Map: Rat Bay Lat/Long