Lac Bas is a Lake located in Lac-Marguerite; Antoine-Labelle, Quebec.

• Latitude: 47° 11' 23'' North   (decimal: 47.1897222)
• Longitude: 75° 58' 46'' West   (decimal: -75.9794444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Marguerite; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Bas
• GPS Coordinate Locator Map: Lac Bas Lat/Long