Posthumus Lake is a Lake located in Saskatchewan and has an elevation of 714 meters.

• Latitude: 51° 18' North   (decimal: 51.3000376)
• Longitude: 104° 10' West   (decimal: -104.1672093)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Saskatchewan
• Elevation: 714 meters
• Atlas of Canada Locator Map: Posthumus Lake
• GPS Coordinate Locator Map: Posthumus Lake Lat/Long