Lac du Père-Tremblay is a Lake located in Mont-Valin; Le Fjord-du-Saguenay, Quebec.

• Latitude: 48° 47' North   (decimal: 48.7833000)
• Longitude: 71° 19' West   (decimal: -71.3166999)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac du Père-Tremblay
• GPS Coordinate Locator Map: Lac du Père-Tremblay Lat/Long