Lac Long is a Lake located in Port-Daniel¿Gascons; Le Rocher-Percé, Quebec.

• Latitude: 48° 18' 1'' North   (decimal: 48.3002999)
• Longitude: 64° 57' 51'' West   (decimal: -64.9642000)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Port-Daniel¿Gascons; Le Rocher-Percé
• GPS Coordinate Locator Map: Lac Long Lat/Long