Lac Blais is a Lake located in Senneterre; Vallée-de-l'Or, Quebec and has an elevation of 422 meters.

• Latitude: 48° 20' 31'' North   (decimal: 48.3419444)
• Longitude: 76° 21' 47'' West   (decimal: -76.3630556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 422 meters
• Location: Senneterre; Vallée-de-l'Or
• Atlas of Canada Locator Map: Lac Blais
• GPS Coordinate Locator Map: Lac Blais Lat/Long