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

• Latitude: 48° 57' 42'' North   (decimal: 48.9616980)
• Longitude: 69° 26' 22'' West   (decimal: -69.4395005)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Mouchin
• GPS Coordinate Locator Map: Lac Mouchin Lat/Long