Sourdough Lake is a Lake located in Timiskaming, Ontario and has an elevation of 295 meters.

• Latitude: 48° 10' 7'' North   (decimal: 48.1686111)
• Longitude: 79° 43' 9'' West   (decimal: -79.7191666)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 295 meters
• Location: Timiskaming
• Atlas of Canada Locator Map: Sourdough Lake
• GPS Coordinate Locator Map: Sourdough Lake Lat/Long