Lac Douglas is a Lake located in Saint-Hilaire-de-Dorset; Beauce-Sartigan, Quebec and has an elevation of 446 meters.

• Latitude: 45° 49' 42'' North   (decimal: 45.8283713)
• Longitude: 70° 45' 45'' West   (decimal: -70.7625749)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 446 meters
• Location: Saint-Hilaire-de-Dorset; Beauce-Sartigan
• Atlas of Canada Locator Map: Lac Douglas
• GPS Coordinate Locator Map: Lac Douglas Lat/Long