Lac des Barbillons is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec.

• Latitude: 49° 16' 0'' North   (decimal: 49.2666944)
• Longitude: 72° 14' 48'' West   (decimal: -72.2466781)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac des Barbillons
• GPS Coordinate Locator Map: Lac des Barbillons Lat/Long