Lac du Trèfle is a Lake located in Lac-Matawin; Matawinie, Quebec.

• Latitude: 47° 0' 55'' North   (decimal: 47.0152778)
• Longitude: 74° 30' 4'' West   (decimal: -74.5011111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Matawin; Matawinie
• Atlas of Canada Locator Map: Lac du Trèfle
• GPS Coordinate Locator Map: Lac du Trèfle Lat/Long