Lac Bas is a Lake located in Saint-Zénon; Matawinie, Quebec and has an elevation of 497 meters.

• Latitude: 46° 25' 41'' North   (decimal: 46.4280925)
• Longitude: 73° 41' 19'' West   (decimal: -73.6884746)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 497 meters
• Location: Saint-Zénon; Matawinie
• Atlas of Canada Locator Map: Lac Bas
• GPS Coordinate Locator Map: Lac Bas Lat/Long