Lac Vachon is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 281 meters.

• Latitude: 46° 13' 30'' North   (decimal: 46.225)
• Longitude: 77° 14' 37'' West   (decimal: -77.2436110)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 281 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Vachon
• GPS Coordinate Locator Map: Lac Vachon Lat/Long