Lac Ajax is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 428 meters.

• Latitude: 49° 35' 3'' North   (decimal: 49.5841667)
• Longitude: 74° 1' 37'' West   (decimal: -74.0269444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 428 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Ajax
• GPS Coordinate Locator Map: Lac Ajax Lat/Long