Lac Boom is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 353 meters.

• Latitude: 46° 17' 14'' North   (decimal: 46.2872816)
• Longitude: 77° 28' 13'' West   (decimal: -77.4702971)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 353 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Boom
• GPS Coordinate Locator Map: Lac Boom Lat/Long