Lac Incertain is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 383 meters.

• Latitude: 50° 10' 55'' North   (decimal: 50.1819444)
• Longitude: 72° 40' 49'' West   (decimal: -72.6802778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 383 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Incertain
• GPS Coordinate Locator Map: Lac Incertain Lat/Long