Big Mountain Hollow is a River located in Mont-Alexandre; Le Rocher-Percé, Quebec.

• Latitude: 48° 37' 39'' North   (decimal: 48.6275539)
• Longitude: 65° 10' 41'' West   (decimal: -65.1779582)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Location: Mont-Alexandre; Le Rocher-Percé
• GPS Coordinate Locator Map: Big Mountain Hollow Lat/Long