Lac Déception is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec.

• Latitude: 49° 24' 2'' North   (decimal: 49.4006057)
• Longitude: 68° 28' 15'' West   (decimal: -68.4708710)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Lac Déception
• GPS Coordinate Locator Map: Lac Déception Lat/Long