Lac de la Source is a Lake located in Saint-Augustin-de-Woburn; Le Granit, Quebec and has an elevation of 430 meters.

• Latitude: 45° 26' 55'' North   (decimal: 45.4486541)
• Longitude: 70° 44' 32'' West   (decimal: -70.7422900)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 430 meters
• Location: Saint-Augustin-de-Woburn; Le Granit
• Atlas of Canada Locator Map: Lac de la Source
• GPS Coordinate Locator Map: Lac de la Source Lat/Long