Lac John is a Lake located in Aumond; La Vallée-de-la-Gatineau, Quebec.

• Latitude: 46° 31' 27'' North   (decimal: 46.5242218)
• Longitude: 75° 46' 17'' West   (decimal: -75.7713277)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Aumond; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac John
• GPS Coordinate Locator Map: Lac John Lat/Long