Lac Tendon is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 410 meters.

• Latitude: 49° 19' 5'' North   (decimal: 49.3180556)
• Longitude: 73° 49' 53'' West   (decimal: -73.8313889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 410 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Tendon
• GPS Coordinate Locator Map: Lac Tendon Lat/Long