Lac-des-Seize-Îles-Sud is a Unincorporated area located in Wentworth-Nord; Les Pays-d'en-Haut, Quebec.

• Latitude: 45° 51' 36'' North   (decimal: 45.8600445)
• Longitude: 74° 28' 44'' West   (decimal: -74.4787856)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Centre de villégiature
• Canadian Province/Territory: Quebec
• Location: Wentworth-Nord; Les Pays-d'en-Haut
• GPS Coordinate Locator Map: Lac-des-Seize-Îles-Sud Lat/Long