Lac-du-Brochet is a Unincorporated area located in Lac-Sainte-Marie; La Vallée-de-la-Gatineau, Quebec and has an elevation of 257 meters.

• Latitude: 45° 55' 21'' North   (decimal: 45.9225526)
• Longitude: 75° 49' 25'' West   (decimal: -75.8235613)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Hameau
• Canadian Province/Territory: Quebec
• Elevation: 257 meters
• Location: Lac-Sainte-Marie; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac-du-Brochet
• GPS Coordinate Locator Map: Lac-du-Brochet Lat/Long