Lac Long is a Lake located in L'Anse-Saint-Jean; Le Fjord-du-Saguenay, Quebec and has an elevation of 294 meters.

• Latitude: 48° 12' 1'' North   (decimal: 48.2003031)
• Longitude: 70° 10' 42'' West   (decimal: -70.1783976)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 294 meters
• Location: L'Anse-Saint-Jean; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Long
• GPS Coordinate Locator Map: Lac Long Lat/Long