Lacs Dumas is a Lake located in Saint-Raymond; Portneuf, Quebec and has an elevation of 418 meters.

• Latitude: 46° 56' 45'' North   (decimal: 46.9458333)
• Longitude: 71° 56' 58'' West   (decimal: -71.9494444)
• Topography Feature Category: Lake
• Geographical Feature: Lacs
• Canadian Province/Territory: Quebec
• Elevation: 418 meters
• Location: Saint-Raymond; Portneuf
• Atlas of Canada Locator Map: Lacs Dumas
• GPS Coordinate Locator Map: Lacs Dumas Lat/Long