San Juan (province argentine), Pampa El Leoncito

En este lugar se encuentra el complejo astronomico con el mismo nombre, El casleo es uno de los mas importantes. The CASLEO is 2552 m above sea level in the Spurs western chain Tontal, in the foothills Sanjuanina, 30 km south of the town of Barreal in Dto. Calingasta The Province of San Juan (Argentina). The complex is located within A Book Astronomical of 70,000 hectares, which ensures Preserving the quality of your sky. Since 1995 this area was Declared Strict Nature Reserve.