Lac Aldas is a Lake located in Baie-James; Jamésie, Quebec.

• Latitude: 49° 8' 21'' North   (decimal: 49.1391666)
• Longitude: 79° 5' 45'' West   (decimal: -79.0958333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Aldas
• GPS Coordinate Locator Map: Lac Aldas Lat/Long