Premier lac de Saint-Fiacre is a Lake located in L'Anse-Saint-Jean; Le Fjord-du-Saguenay, Quebec.

• Latitude: 48° 13' 24'' North   (decimal: 48.2233584)
• Longitude: 70° 10' 17'' West   (decimal: -70.1714525)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: L'Anse-Saint-Jean; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Premier lac de Saint-Fiacre
• GPS Coordinate Locator Map: Premier lac de Saint-Fiacre Lat/Long