Ruisseau Topanoff is a River located in Lac-Nilgaut; Pontiac, Quebec.

• Latitude: 46° 37' 35'' North   (decimal: 46.6264480)
• Longitude: 77° 29' 8'' West   (decimal: -77.4855740)
• Topography Feature Category: River
• Geographical Feature: Ruisseau
• Canadian Province/Territory: Quebec
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Ruisseau Topanoff
• GPS Coordinate Locator Map: Ruisseau Topanoff Lat/Long