Lac Dumbo is a Lake located in Lac-de-la-Maison-de-Pierre; Antoine-Labelle, Quebec and has an elevation of 531 meters.

• Latitude: 46° 49' 5'' North   (decimal: 46.8180556)
• Longitude: 74° 29' 28'' West   (decimal: -74.4911111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 531 meters
• Location: Lac-de-la-Maison-de-Pierre; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Dumbo
• GPS Coordinate Locator Map: Lac Dumbo Lat/Long