Lac Dumont is a Lake located in Trois-Rives; Mékinac, Quebec and has an elevation of 247 meters.

• Latitude: 46° 57' 16'' North   (decimal: 46.9544747)
• Longitude: 72° 43' 25'' West   (decimal: -72.7237259)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 247 meters
• Location: Trois-Rives; Mékinac
• Atlas of Canada Locator Map: Lac Dumont
• GPS Coordinate Locator Map: Lac Dumont Lat/Long