Lac Hérival is a Lake located in Lac-Pythonga; La Vallée-de-la-Gatineau, Quebec and has an elevation of 382 meters.

• Latitude: 47° 7' 8'' North   (decimal: 47.1188889)
• Longitude: 76° 34' 25'' West   (decimal: -76.5736111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 382 meters
• Location: Lac-Pythonga; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac Hérival
• GPS Coordinate Locator Map: Lac Hérival Lat/Long