Lac Sylvain is a Lake located in Wentworth-Nord; Les Pays-d'en-Haut, Quebec and has an elevation of 432 meters.

• Latitude: 45° 51' 26'' North   (decimal: 45.8572659)
• Longitude: 74° 20' 27'' West   (decimal: -74.3407254)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 432 meters
• Location: Wentworth-Nord; Les Pays-d'en-Haut
• Atlas of Canada Locator Map: Lac Sylvain
• GPS Coordinate Locator Map: Lac Sylvain Lat/Long