Ruisseau O'Brien is a River located in L'Isle-aux-Allumettes; Pontiac, Quebec and has an elevation of 122 meters.

• Latitude: 45° 51' 37'' North   (decimal: 45.8602778)
• Longitude: 77° 8' 28'' West   (decimal: -77.1411111)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Elevation: 122 meters
• Location: L'Isle-aux-Allumettes; Pontiac
• Atlas of Canada Locator Map: Ruisseau O'Brien
• GPS Coordinate Locator Map: Ruisseau O'Brien Lat/Long