Lac Vaillancourt is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 283 meters.

• Latitude: 46° 11' 49'' North   (decimal: 46.1969444)
• Longitude: 77° 9' 9'' West   (decimal: -77.1525)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 283 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Vaillancourt
• GPS Coordinate Locator Map: Lac Vaillancourt Lat/Long