Puy de Sancy (US: , French: [pɥi d(ə) sɑ̃si]; Auvergnat: Puèi de la Crotz [ˈpœj də lɔ ˈkɾu(ts)], lit. ''Mount of the Cross'') is the highest mountain in the Massif Central. It is part of an ancient stratovolcano which has been inactive for about 220,000 years.The northern and southern slopes are used for skiing, and a number of cablecars and skilifts ascend the mountain.