Lac Long is a Lake located in Lac-Saguay; Antoine-Labelle, Quebec and has an elevation of 411 meters.

• Latitude: 46° 32' 23'' North   (decimal: 46.5397222)
• Longitude: 75° 9' 46'' West   (decimal: -75.1627778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 411 meters
• Location: Lac-Saguay; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Long
• GPS Coordinate Locator Map: Lac Long Lat/Long