Lac Gustafson is a Lake located in Rivière-Koksoak; Kativik, Quebec and has an elevation of 489 meters.

• Latitude: 55° 26' 13'' North   (decimal: 55.4370493)
• Longitude: 66° 40' 54'' West   (decimal: -66.6817791)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 489 meters
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Gustafson
• GPS Coordinate Locator Map: Lac Gustafson Lat/Long