Petit lac du Barrage is a Lake located in La Pêche; Les Collines-de-l'Outaouais, Quebec.

• Latitude: 45° 40' 29'' North   (decimal: 45.6747746)
• Longitude: 75° 51' 56'' West   (decimal: -75.8655100)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: La Pêche; Les Collines-de-l'Outaouais
• Atlas of Canada Locator Map: Petit lac du Barrage
• GPS Coordinate Locator Map: Petit lac du Barrage Lat/Long