Lac Antoine is a Lake located in Sainte-Béatrix; Matawinie, Quebec and has an elevation of 373 meters.

• Latitude: 46° 15' 8'' North   (decimal: 46.2522598)
• Longitude: 73° 40' 1'' West   (decimal: -73.6668070)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 373 meters
• Location: Sainte-Béatrix; Matawinie
• Atlas of Canada Locator Map: Lac Antoine
• GPS Coordinate Locator Map: Lac Antoine Lat/Long