Lac Désormeaux is a Lake located in Authier-Nord; Abitibi-Ouest, Quebec and has an elevation of 291 meters.

• Latitude: 48° 48' 45'' North   (decimal: 48.8124999)
• Longitude: 78° 51' 10'' West   (decimal: -78.8527777)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 291 meters
• Location: Authier-Nord; Abitibi-Ouest
• Atlas of Canada Locator Map: Lac Désormeaux
• GPS Coordinate Locator Map: Lac Désormeaux Lat/Long