Lac à Ludger is a Lake located in Sept-Îles; Sept-Rivières, Quebec.

• Latitude: 50° 16' 20'' North   (decimal: 50.2722222)
• Longitude: 65° 50' 41'' West   (decimal: -65.8447222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Sept-Îles; Sept-Rivières
• GPS Coordinate Locator Map: Lac à Ludger Lat/Long