Lac à Foin is a Lake located in Saint-Donat; Matawinie, Quebec.

• Latitude: 46° 20' 3'' North   (decimal: 46.3342078)
• Longitude: 74° 7' 35'' West   (decimal: -74.1262691)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-Donat; Matawinie
• GPS Coordinate Locator Map: Lac à Foin Lat/Long