Lac John-Bull is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 323 meters.

• Latitude: 46° 30' 47'' North   (decimal: 46.5131139)
• Longitude: 76° 53' 36'' West   (decimal: -76.8933256)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 323 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac John-Bull
• GPS Coordinate Locator Map: Lac John-Bull Lat/Long