Lac du Sacristain is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec.

• Latitude: 49° 30' 17'' North   (decimal: 49.5047748)
• Longitude: 72° 4' 13'' West   (decimal: -72.0703182)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac du Sacristain
• GPS Coordinate Locator Map: Lac du Sacristain Lat/Long