Lac Antoine is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 568 meters.

• Latitude: 48° 50' 11'' North   (decimal: 48.8363889)
• Longitude: 69° 57' 4'' West   (decimal: -69.9511111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 568 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Antoine
• GPS Coordinate Locator Map: Lac Antoine Lat/Long