Lac du Diable is a Lake located in Saint-Médard; Les Basques, Quebec.

• Latitude: 48° 4' 25'' North   (decimal: 48.0736388)
• Longitude: 68° 48' 51'' West   (decimal: -68.8141943)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-Médard; Les Basques
• GPS Coordinate Locator Map: Lac du Diable Lat/Long