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

• Latitude: 46° 58' 54'' North   (decimal: 46.9816667)
• Longitude: 74° 24' 20'' West   (decimal: -74.4055556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Matawin; Matawinie
• Atlas of Canada Locator Map: Lac Crépeau
• GPS Coordinate Locator Map: Lac Crépeau Lat/Long