Lac Héloïse is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 358 meters.

• Latitude: 49° 46' 24'' North   (decimal: 49.7733333)
• Longitude: 74° 59' 35'' West   (decimal: -74.9930556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 358 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Héloïse
• GPS Coordinate Locator Map: Lac Héloïse Lat/Long