Petit lac Mathieu is a Lake located in Notre-Dame-de-Lorette; Maria-Chapdelaine, Quebec and has an elevation of 241 meters.

• Latitude: 49° 4' 49'' North   (decimal: 49.0802778)
• Longitude: 72° 15' 45'' West   (decimal: -72.2625)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 241 meters
• Location: Notre-Dame-de-Lorette; Maria-Chapdelaine
• Atlas of Canada Locator Map: Petit lac Mathieu
• GPS Coordinate Locator Map: Petit lac Mathieu Lat/Long