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

• Latitude: 50° 52' 39'' North   (decimal: 50.8775)
• Longitude: 67° 14' 23'' West   (decimal: -67.2397222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac Mallec
• GPS Coordinate Locator Map: Lac Mallec Lat/Long