Lac Dienne is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 423 meters.

• Latitude: 49° 8' 00'' North   (decimal: 49.1333333)
• Longitude: 74° 15' 26'' West   (decimal: -74.2572222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 423 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Dienne
• GPS Coordinate Locator Map: Lac Dienne Lat/Long