The Witches' Cave is a cave, a nature reserve and a national natural monument in Argentina. It is located in the Moncol Hill, at 1,830 metres above mean sea level, within the Malargüe Department, in the south of Mendoza Province, about 65 kilometres southwest of the town of Malargüe.
Location: Malargüe Department, Mendoza
Elevation: 1,830 m (6,000 ft)
Geology: Jurassic limestone
Access: Limited
Registry: Reserva Provincial Caverna de las Brujas