Lac sur la Montagne is a Lake located in Shefford; La Haute-Yamaska, Quebec and has an elevation of 271 meters.

• Latitude: 45° 22' 10'' North   (decimal: 45.3694842)
• Longitude: 72° 38' 5'' West   (decimal: -72.6348390)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 271 meters
• Location: Shefford; La Haute-Yamaska
• Atlas of Canada Locator Map: Lac sur la Montagne
• GPS Coordinate Locator Map: Lac sur la Montagne Lat/Long