Grand Roc is a mountain of Savoie, France. It lies in the Massif de la Vanoise range. It has an elevation of above sea level.
See also Bochnia Salt Mine, southern Poland, central Europe Wieliczka Salt Mine, near Kraków in Poland, central Europe Khewra Salt Mine, in Punjab, Pakistan Kartchner Caverns State Park in Arizona, the United States Salt Cathedral of Zipaquirá, in Zipaquirá, Cundinamarca, Colombia, South America Chełm Chalk Tunnels, Poland, central Europe Frasassi Caves, Ancona in Italy, southern Europe