Lac Tercet is a Lake located in Lac-Pythonga; La Vallée-de-la-Gatineau, Quebec and has an elevation of 415 meters.

• Latitude: 47° 24' 22'' North   (decimal: 47.4061111)
• Longitude: 76° 18' 53'' West   (decimal: -76.3147222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 415 meters
• Location: Lac-Pythonga; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac Tercet
• GPS Coordinate Locator Map: Lac Tercet Lat/Long