Petit lac De Vau is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 574 meters.

• Latitude: 50° 52' 23'' North   (decimal: 50.8730556)
• Longitude: 72° 17' 22'' West   (decimal: -72.2894444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 574 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Petit lac De Vau
• GPS Coordinate Locator Map: Petit lac De Vau Lat/Long