Lac Brun is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 395 meters.

• Latitude: 49° 33' 30'' North   (decimal: 49.5583333)
• Longitude: 72° 24' 15'' West   (decimal: -72.4041667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 395 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Brun
• GPS Coordinate Locator Map: Lac Brun Lat/Long