Lac Coulvain is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 396 meters.

• Latitude: 49° 13' 14'' North   (decimal: 49.2205556)
• Longitude: 74° 6' 20'' West   (decimal: -74.1055556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 396 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Coulvain
• GPS Coordinate Locator Map: Lac Coulvain Lat/Long