Lac-Brompton-Sud is a Unincorporated area located in Orford; Memphrémagog, Quebec and has an elevation of 246 meters.

• Latitude: 45° 22' 55'' North   (decimal: 45.3819855)
• Longitude: 72° 9' 9'' West   (decimal: -72.1526024)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Hameau
• Canadian Province/Territory: Quebec
• Elevation: 246 meters
• Location: Orford; Memphrémagog
• Atlas of Canada Locator Map: Lac-Brompton-Sud
• GPS Coordinate Locator Map: Lac-Brompton-Sud Lat/Long