Relf Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 275 meters.

• Latitude: 50° 45' 40'' North   (decimal: 50.7611111)
• Longitude: 86° 56' 30'' West   (decimal: -86.9416666)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 275 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Relf Lake
• GPS Coordinate Locator Map: Relf Lake Lat/Long