Barrage Pamouscachiou-Un is a Hydraulic construction located in Mont-Valin; Le Fjord-du-Saguenay, Quebec.

• Latitude: 49° 19' 50'' North   (decimal: 49.3305948)
• Longitude: 70° 58' 43'' West   (decimal: -70.9786749)
• Topography Feature Category: Hydraulic construction
• Geographical Feature: Barrage
• Canadian Province/Territory: Quebec
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Barrage Pamouscachiou-Un
• GPS Coordinate Locator Map: Barrage Pamouscachiou-Un Lat/Long