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

• Latitude: 60° 24' 2'' North   (decimal: 60.4004987)
• Longitude: 70° 17' 56'' West   (decimal: -70.2989059)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Archambault
• GPS Coordinate Locator Map: Lac Archambault Lat/Long