Lac Piyao is a Lake located in La Tuque; Le Haut-Saint-Maurice, Quebec and has an elevation of 491 meters.

• Latitude: 48° 2' 15'' North   (decimal: 48.0375)
• Longitude: 73° 38' 3'' West   (decimal: -73.6341667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 491 meters
• Location: La Tuque; Le Haut-Saint-Maurice
• Atlas of Canada Locator Map: Lac Piyao
• GPS Coordinate Locator Map: Lac Piyao Lat/Long