Lac Pierrot is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec.

• Latitude: 50° 5' 17'' North   (decimal: 50.0880924)
• Longitude: 69° 1' 22'' West   (decimal: -69.0226809)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Lac Pierrot
• GPS Coordinate Locator Map: Lac Pierrot Lat/Long