Grand lac Cristal is a Lake located in Marsoui; La Haute-Gaspésie, Quebec and has an elevation of 725 meters.

• Latitude: 49° 6' 37'' North   (decimal: 49.1103225)
• Longitude: 65° 58' 42'' West   (decimal: -65.9782765)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 725 meters
• Location: Marsoui; La Haute-Gaspésie
• Atlas of Canada Locator Map: Grand lac Cristal
• GPS Coordinate Locator Map: Grand lac Cristal Lat/Long