Lac Proulx is a Lake located in Lac-Pikauba; Charlevoix, Quebec.

• Latitude: 47° 53' 32'' North   (decimal: 47.8922222)
• Longitude: 71° 18' 34'' West   (decimal: -71.3094444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Pikauba; Charlevoix
• GPS Coordinate Locator Map: Lac Proulx Lat/Long