Lac Joan is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 386 meters.

• Latitude: 49° 40' 1'' North   (decimal: 49.6669444)
• Longitude: 74° 26' 11'' West   (decimal: -74.4363889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 386 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Joan
• GPS Coordinate Locator Map: Lac Joan Lat/Long