Lac Bruneau is a Lake located in Sainte-Béatrix; Matawinie, Quebec.

• Latitude: 46° 10' 27'' North   (decimal: 46.1741999)
• Longitude: 73° 35' 53'' West   (decimal: -73.5980999)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Sainte-Béatrix; Matawinie
• GPS Coordinate Locator Map: Lac Bruneau Lat/Long