Lac Cussey is a Lake located in Lac-Pythonga; La Vallée-de-la-Gatineau, Quebec and has an elevation of 391 meters.

• Latitude: 46° 58' 27'' North   (decimal: 46.9741667)
• Longitude: 76° 32' 43'' West   (decimal: -76.5452778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 391 meters
• Location: Lac-Pythonga; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac Cussey
• GPS Coordinate Locator Map: Lac Cussey Lat/Long