Lac de la Frontière is a Lake located in Lac-Matawin; Matawinie, Quebec.

• Latitude: 47° 1' 41'' North   (decimal: 47.0280556)
• Longitude: 74° 31' 38'' West   (decimal: -74.5272222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Matawin; Matawinie
• Atlas of Canada Locator Map: Lac de la Frontière
• GPS Coordinate Locator Map: Lac de la Frontière Lat/Long