Mortimer Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 225 meters.

• Latitude: 48° 40' 22'' North   (decimal: 48.6727777)
• Longitude: 87° 3' 59'' West   (decimal: -87.0663888)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 225 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Mortimer Lake
• GPS Coordinate Locator Map: Mortimer Lake Lat/Long