Lac Plancy is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 380 meters.

• Latitude: 49° 7' 48'' North   (decimal: 49.13)
• Longitude: 73° 14' 00'' West   (decimal: -73.2333333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 380 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Plancy
• GPS Coordinate Locator Map: Lac Plancy Lat/Long