Lac Mâche is a Lake located in Lac-Pythonga; La Vallée-de-la-Gatineau, Quebec and has an elevation of 405 meters.

• Latitude: 47° 3' 27'' North   (decimal: 47.0575)
• Longitude: 76° 46' 18'' West   (decimal: -76.7716667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 405 meters
• Location: Lac-Pythonga; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac Mâche
• GPS Coordinate Locator Map: Lac Mâche Lat/Long