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

• Latitude: 55° 43' 1'' North   (decimal: 55.7169444)
• Longitude: 73° 30' 40'' West   (decimal: -73.5111111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Maskuchis
• GPS Coordinate Locator Map: Lac Maskuchis Lat/Long