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

• Latitude: 50° 35' 30'' North   (decimal: 50.5916929)
• Longitude: 66° 46' 55'' West   (decimal: -66.7818246)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac à Luc
• GPS Coordinate Locator Map: Lac à Luc Lat/Long