Lac Long is a Lake located in Petit-Saguenay; Le Fjord-du-Saguenay, Quebec.

• Latitude: 48° 8' 5'' North   (decimal: 48.1347467)
• Longitude: 70° 5' 52'' West   (decimal: -70.0978405)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Petit-Saguenay; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Long
• GPS Coordinate Locator Map: Lac Long Lat/Long