Lac Proulx is a Lake located in Sainte-Jeanne-d'Arc; Maria-Chapdelaine, Quebec.

• Latitude: 48° 58' 23'' North   (decimal: 48.9730556)
• Longitude: 71° 57' 1'' West   (decimal: -71.9502778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Sainte-Jeanne-d'Arc; Maria-Chapdelaine
• GPS Coordinate Locator Map: Lac Proulx Lat/Long