Lac des Trois Mâles is a Lake located in Baie-Obaoca; Matawinie, Quebec.

• Latitude: 47° 30' 29'' North   (decimal: 47.5080556)
• Longitude: 74° 10' 10'' West   (decimal: -74.1694444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-Obaoca; Matawinie
• Atlas of Canada Locator Map: Lac des Trois Mâles
• GPS Coordinate Locator Map: Lac des Trois Mâles Lat/Long