Lac Lantan is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 423 meters.

• Latitude: 49° 10' 59'' North   (decimal: 49.1830556)
• Longitude: 73° 31' 37'' West   (decimal: -73.5269444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 423 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Lantan
• GPS Coordinate Locator Map: Lac Lantan Lat/Long