Lac-Brien is a Unincorporated area located in Saint-Calixte; Montcalm, Quebec and has an elevation of 141 meters.

• Latitude: 45° 54' 26'' North   (decimal: 45.9072594)
• Longitude: 73° 48' 59'' West   (decimal: -73.8162581)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Secteur résidentiel
• Canadian Province/Territory: Quebec
• Elevation: 141 meters
• Location: Saint-Calixte; Montcalm
• Atlas of Canada Locator Map: Lac-Brien
• GPS Coordinate Locator Map: Lac-Brien Lat/Long