Lac Jonchée is a Lake located in Lac-Pythonga; La Vallée-de-la-Gatineau, Quebec and has an elevation of 360 meters.

• Latitude: 46° 49' 9'' North   (decimal: 46.8191667)
• Longitude: 76° 22' 15'' West   (decimal: -76.3708333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 360 meters
• Location: Lac-Pythonga; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac Jonchée
• GPS Coordinate Locator Map: Lac Jonchée Lat/Long