Lac du Briseux de Mer is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec.

• Latitude: 49° 21' 15'' North   (decimal: 49.3542072)
• Longitude: 72° 21' 28'' West   (decimal: -72.3578165)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac du Briseux de Mer
• GPS Coordinate Locator Map: Lac du Briseux de Mer Lat/Long