Lac au Foin is a Lake located in Grosses-Roches; Matane, Quebec and has an elevation of 357 meters.

• Latitude: 48° 54' 40'' North   (decimal: 48.9111111)
• Longitude: 67° 6' 55'' West   (decimal: -67.1152778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 357 meters
• Location: Grosses-Roches; Matane
• Atlas of Canada Locator Map: Lac au Foin
• GPS Coordinate Locator Map: Lac au Foin Lat/Long