Lac au Foin is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 318 meters.

• Latitude: 49° 59' 2'' North   (decimal: 49.9838889)
• Longitude: 72° 8' 28'' West   (decimal: -72.1411111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 318 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac au Foin
• GPS Coordinate Locator Map: Lac au Foin Lat/Long