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

• Latitude: 55° 17' 40'' North   (decimal: 55.2944444)
• Longitude: 70° 40' 37'' West   (decimal: -70.6769444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Sanchagrin
• GPS Coordinate Locator Map: Lac Sanchagrin Lat/Long