Lac Moustachu is a Lake located in Chute-des-Passes; Maria-Chapdelaine, Quebec.

• Latitude: 49° 21' 3'' North   (decimal: 49.3508744)
• Longitude: 71° 18' 2'' West   (decimal: -71.3006242)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Chute-des-Passes; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Moustachu
• GPS Coordinate Locator Map: Lac Moustachu Lat/Long