Lac Thaïs is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 460 meters.

• Latitude: 48° 46' 6'' North   (decimal: 48.7683333)
• Longitude: 73° 47' 53'' West   (decimal: -73.7980555)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 460 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Thaïs
• GPS Coordinate Locator Map: Lac Thaïs Lat/Long