Lac Auby is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 475 meters.

• Latitude: 49° 31' 45'' North   (decimal: 49.5291667)
• Longitude: 73° 40' 31'' West   (decimal: -73.6752778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 475 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Auby
• GPS Coordinate Locator Map: Lac Auby Lat/Long