Lac Mocassin is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 615 meters.

• Latitude: 48° 41' 26'' North   (decimal: 48.6905556)
• Longitude: 69° 59' 7'' West   (decimal: -69.9852778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 615 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Mocassin
• GPS Coordinate Locator Map: Lac Mocassin Lat/Long