Lyon Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 435 meters.

• Latitude: 49° 53' 26'' North   (decimal: 49.8905555)
• Longitude: 90° 52' 57'' West   (decimal: -90.8824999)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 435 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Lyon Lake
• GPS Coordinate Locator Map: Lyon Lake Lat/Long