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

• Latitude: 49° 17' 50'' North   (decimal: 49.2972620)
• Longitude: 71° 29' 24'' West   (decimal: -71.4900592)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Chute-des-Passes; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac du Pétrin
• GPS Coordinate Locator Map: Lac du Pétrin Lat/Long