Lost Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 423 meters.

• Latitude: 48° 43' 10'' North   (decimal: 48.7194444)
• Longitude: 88° 43' 5'' West   (decimal: -88.7180555)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 423 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Lost Lake
• GPS Coordinate Locator Map: Lost Lake Lat/Long