Lac Héloïse is a Lake located in Lac-Masketsi; Mékinac, Quebec and has an elevation of 355 meters.

• Latitude: 47° 4' 47'' North   (decimal: 47.0797511)
• Longitude: 72° 24' 11'' West   (decimal: -72.4031587)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 355 meters
• Location: Lac-Masketsi; Mékinac
• Atlas of Canada Locator Map: Lac Héloïse
• GPS Coordinate Locator Map: Lac Héloïse Lat/Long