Lac Brock is a Lake located in Saint-Alexis-des-Monts; Maskinongé, Quebec and has an elevation of 462 meters.

• Latitude: 46° 35' 58'' North   (decimal: 46.5994768)
• Longitude: 73° 19' 33'' West   (decimal: -73.3259656)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 462 meters
• Location: Saint-Alexis-des-Monts; Maskinongé
• Atlas of Canada Locator Map: Lac Brock
• GPS Coordinate Locator Map: Lac Brock Lat/Long