Postans Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 475 meters.

• Latitude: 48° 40' 3'' North   (decimal: 48.6675000)
• Longitude: 90° 21' 4'' West   (decimal: -90.3511111)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 475 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Postans Lake
• GPS Coordinate Locator Map: Postans Lake Lat/Long