Lac Dejadon is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 546 meters.

• Latitude: 48° 28' 44'' North   (decimal: 48.4788889)
• Longitude: 73° 2' 54'' West   (decimal: -73.0483333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 546 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Dejadon
• GPS Coordinate Locator Map: Lac Dejadon Lat/Long