Petit lac à Muir is a Lake located in Saint-David-de-Falardeau; Le Fjord-du-Saguenay, Quebec and has an elevation of 335 meters.

• Latitude: 48° 40' 51'' North   (decimal: 48.6808333)
• Longitude: 71° 5' 25'' West   (decimal: -71.0902778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 335 meters
• Location: Saint-David-de-Falardeau; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Petit lac à Muir
• GPS Coordinate Locator Map: Petit lac à Muir Lat/Long