Lac au Foin is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 298 meters.

• Latitude: 49° 16' 38'' North   (decimal: 49.2772222)
• Longitude: 72° 27' 40'' West   (decimal: -72.4611111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 298 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac au Foin
• GPS Coordinate Locator Map: Lac au Foin Lat/Long