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

• Latitude: 46° 47' 56'' North   (decimal: 46.7988889)
• Longitude: 74° 13' 47'' West   (decimal: -74.2297222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Matawin; Matawinie
• GPS Coordinate Locator Map: Lac Carcajou Lat/Long