Lac Butt is a Lake located in Rivière-Koksoak; Kativik, Quebec and has an elevation of 488 meters.

• Latitude: 55° 4' 20'' North   (decimal: 55.0723223)
• Longitude: 66° 20' 3'' West   (decimal: -66.3342592)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 488 meters
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Butt
• GPS Coordinate Locator Map: Lac Butt Lat/Long