Lac Brillon is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec.

• Latitude: 49° 12' 37'' North   (decimal: 49.2103168)
• Longitude: 69° 41' 16'' West   (decimal: -69.6878510)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Brillon
• GPS Coordinate Locator Map: Lac Brillon Lat/Long