Lac aux Vingt-Six Têtes de Castor is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec.

• Latitude: 49° 37' 25'' North   (decimal: 49.6236628)
• Longitude: 69° 7' 1'' West   (decimal: -69.1170227)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Lac aux Vingt-Six Têtes de Castor
• GPS Coordinate Locator Map: Lac aux Vingt-Six Têtes de Castor Lat/Long