Lac Hériard is a Lake located in Lac-Pythonga; La Vallée-de-la-Gatineau, Quebec and has an elevation of 420 meters.

• Latitude: 47° 25' 57'' North   (decimal: 47.4325)
• Longitude: 76° 23' 14'' West   (decimal: -76.3872222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 420 meters
• Location: Lac-Pythonga; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac Hériard
• GPS Coordinate Locator Map: Lac Hériard Lat/Long