Lac Diatomées is a Lake located in Lac-Pythonga; La Vallée-de-la-Gatineau, Quebec and has an elevation of 368 meters.

• Latitude: 47° 9' 11'' North   (decimal: 47.1530556)
• Longitude: 76° 22' 22'' West   (decimal: -76.3727778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 368 meters
• Location: Lac-Pythonga; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac Diatomées
• GPS Coordinate Locator Map: Lac Diatomées Lat/Long