Lac Assais is a Lake located in Lac-Pythonga; La Vallée-de-la-Gatineau, Quebec and has an elevation of 380 meters.

• Latitude: 47° 9' 43'' North   (decimal: 47.1619444)
• Longitude: 76° 47' 45'' West   (decimal: -76.7958333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 380 meters
• Location: Lac-Pythonga; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac Assais
• GPS Coordinate Locator Map: Lac Assais Lat/Long