Lac Trefflé is a Lake located in Lac-Matawin; Matawinie, Quebec and has an elevation of 464 meters.

• Latitude: 46° 43' 12'' North   (decimal: 46.7200408)
• Longitude: 74° 7' 50'' West   (decimal: -74.1304333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 464 meters
• Location: Lac-Matawin; Matawinie
• Atlas of Canada Locator Map: Lac Trefflé
• GPS Coordinate Locator Map: Lac Trefflé Lat/Long