Thomas Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 351 meters.

• Latitude: 49° 22' 38'' North   (decimal: 49.3772222)
• Longitude: 85° 37' 39'' West   (decimal: -85.6274999)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 351 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Thomas Lake
• GPS Coordinate Locator Map: Thomas Lake Lat/Long