Ralph Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 355 meters.

• Latitude: 49° 37' 42'' North   (decimal: 49.6283333)
• Longitude: 87° 49' 21'' West   (decimal: -87.8225000)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 355 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Ralph Lake
• GPS Coordinate Locator Map: Ralph Lake Lat/Long