Lac du Grisou is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec.

• Latitude: 49° 2' 6'' North   (decimal: 49.0350374)
• Longitude: 69° 15' 3'' West   (decimal: -69.2508874)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac du Grisou
• GPS Coordinate Locator Map: Lac du Grisou Lat/Long