Lac du Boom is a Lake located in Waltham; Pontiac, Quebec.

• Latitude: 46° 6' 45'' North   (decimal: 46.1125567)
• Longitude: 76° 53' 24'' West   (decimal: -76.8899962)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Waltham; Pontiac
• Atlas of Canada Locator Map: Lac du Boom
• GPS Coordinate Locator Map: Lac du Boom Lat/Long