Lac Blay is a Lake located in Lac-Pikauba; Charlevoix, Quebec and has an elevation of 826 meters.

• Latitude: 47° 57' 53'' North   (decimal: 47.9647222)
• Longitude: 71° 13' 32'' West   (decimal: -71.2255556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 826 meters
• Location: Lac-Pikauba; Charlevoix
• Atlas of Canada Locator Map: Lac Blay
• GPS Coordinate Locator Map: Lac Blay Lat/Long