Lac Adet is a Lake located in Rivière-Koksoak; Kativik, Quebec.

• Latitude: 56° 55' 58'' North   (decimal: 56.9326390)
• Longitude: 68° 31' 42'' West   (decimal: -68.5282084)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Adet
• GPS Coordinate Locator Map: Lac Adet Lat/Long