Lac Devois is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 420 meters.

• Latitude: 46° 59' 49'' North   (decimal: 46.9969444)
• Longitude: 76° 49' 53'' West   (decimal: -76.8313889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 420 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Devois
• GPS Coordinate Locator Map: Lac Devois Lat/Long