Lost Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 315 meters.

• Latitude: 48° 51' 4'' North   (decimal: 48.8511111)
• Longitude: 87° 30' 41'' West   (decimal: -87.5113888)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 315 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Lost Lake
• GPS Coordinate Locator Map: Lost Lake Lat/Long