Lac des Trois Trous is a Lake located in Lac-Matawin; Matawinie, Quebec.

• Latitude: 46° 51' 9'' North   (decimal: 46.8525)
• Longitude: 74° 16' 59'' West   (decimal: -74.2830556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Matawin; Matawinie
• Atlas of Canada Locator Map: Lac des Trois Trous
• GPS Coordinate Locator Map: Lac des Trois Trous Lat/Long