Koss Lake is a Lake located in ThunderBay, Ontario and has an elevation of 455 meters.

• Latitude: 48° 18' 41'' North   (decimal: 48.3113888)
• Longitude: 90° 32' 38'' West   (decimal: -90.5438888)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 455 meters
• Location: ThunderBay
• Atlas of Canada Locator Map: Koss Lake
• GPS Coordinate Locator Map: Koss Lake Lat/Long