Lac Vignieu is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 370 meters.

• Latitude: 47° 15' 27'' North   (decimal: 47.2575)
• Longitude: 77° 26' 47'' West   (decimal: -77.4463889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 370 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Vignieu
• GPS Coordinate Locator Map: Lac Vignieu Lat/Long