Lac Brock is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 411 meters.

• Latitude: 50° 31' 13'' North   (decimal: 50.5202778)
• Longitude: 74° 21' 51'' West   (decimal: -74.3641667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 411 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Brock
• GPS Coordinate Locator Map: Lac Brock Lat/Long