Lac au Foin is a Lake located in Grandes-Piles; Mékinac, Quebec and has an elevation of 365 meters.

• Latitude: 46° 47' 28'' North   (decimal: 46.7911110)
• Longitude: 72° 39' 57'' West   (decimal: -72.6658333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 365 meters
• Location: Grandes-Piles; Mékinac
• Atlas of Canada Locator Map: Lac au Foin
• GPS Coordinate Locator Map: Lac au Foin Lat/Long