Troisième lac Pioui is a Lake located in Portneuf; Portneuf, Quebec.

• Latitude: 46° 53' 55'' North   (decimal: 46.8986110)
• Longitude: 72° 8' 6'' West   (decimal: -72.1349999)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Portneuf; Portneuf
• Atlas of Canada Locator Map: Troisième lac Pioui
• GPS Coordinate Locator Map: Troisième lac Pioui Lat/Long