Lac Ciré is a Lake located in Rivière-Éternité; Le Fjord-du-Saguenay, Quebec.

• Latitude: 48° 7' 57'' North   (decimal: 48.1325)
• Longitude: 70° 39' 42'' West   (decimal: -70.6616667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Éternité; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Ciré
• GPS Coordinate Locator Map: Lac Ciré Lat/Long