Lac Mauffin is a Lake located in Lac-Walker; Sept-Rivières, Quebec.

• Latitude: 50° 37' 56'' North   (decimal: 50.6322222)
• Longitude: 67° 2' 15'' West   (decimal: -67.0374999)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac Mauffin
• GPS Coordinate Locator Map: Lac Mauffin Lat/Long