Lac du Sachem is a Lake located in Lac-Oscar; Antoine-Labelle, Quebec and has an elevation of 356 meters.

• Latitude: 47° 18' 3'' North   (decimal: 47.3008333)
• Longitude: 75° 21' 50'' West   (decimal: -75.3638889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 356 meters
• Location: Lac-Oscar; Antoine-Labelle
• Atlas of Canada Locator Map: Lac du Sachem
• GPS Coordinate Locator Map: Lac du Sachem Lat/Long