Lac des Cousins is a Lake located in Lac-Matawin; Matawinie, Quebec and has an elevation of 535 meters.

• Latitude: 46° 54' 4'' North   (decimal: 46.9011111)
• Longitude: 74° 22' 36'' West   (decimal: -74.3766667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 535 meters
• Location: Lac-Matawin; Matawinie
• Atlas of Canada Locator Map: Lac des Cousins
• GPS Coordinate Locator Map: Lac des Cousins Lat/Long