Lac Lucus is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 435 meters.

• Latitude: 49° 7' 59'' North   (decimal: 49.1330556)
• Longitude: 69° 23' 39'' West   (decimal: -69.3941667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 435 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Lucus
• GPS Coordinate Locator Map: Lac Lucus Lat/Long