Petit-Lac-Brompton is a Unincorporated area located in Saint-Denis-de-Brompton; Le Val-Saint-François, Quebec.

• Latitude: 45° 27' 12'' North   (decimal: 45.4533735)
• Longitude: 72° 6' 0'' West   (decimal: -72.1001016)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Centre de villégiature
• Canadian Province/Territory: Quebec
• Location: Saint-Denis-de-Brompton; Le Val-Saint-François
• Atlas of Canada Locator Map: Petit-Lac-Brompton
• GPS Coordinate Locator Map: Petit-Lac-Brompton Lat/Long