Lac Gien is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 476 meters.

• Latitude: 48° 59' 46'' North   (decimal: 48.9961111)
• Longitude: 73° 35' 27'' West   (decimal: -73.5908333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 476 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Gien
• GPS Coordinate Locator Map: Lac Gien Lat/Long