Étangs du Lac à Dumas is a Lake located in Saint-François-de-Sales; Le Domaine-du-Roy, Quebec.

• Latitude: 48° 18' 21'' North   (decimal: 48.3058333)
• Longitude: 72° 7' 14'' West   (decimal: -72.1205556)
• Topography Feature Category: Lake
• Geographical Feature: Étangs
• Canadian Province/Territory: Quebec
• Location: Saint-François-de-Sales; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Étangs du Lac à Dumas
• GPS Coordinate Locator Map: Étangs du Lac à Dumas Lat/Long