Lac Beaumont is a Lake located in Notre-Dame-du-Rosaire; Montmagny, Quebec and has an elevation of 366 meters.

• Latitude: 46° 52' 31'' North   (decimal: 46.8752777)
• Longitude: 70° 29' 18'' West   (decimal: -70.4883333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 366 meters
• Location: Notre-Dame-du-Rosaire; Montmagny
• Atlas of Canada Locator Map: Lac Beaumont
• GPS Coordinate Locator Map: Lac Beaumont Lat/Long