The Campinhos State Park (Portuguese: Parque Estadual de Campinhos) is a state park in the state of Paraná, Brazil.The environment has been much degraded by human activity and is in the process of regeneration, but there are areas of the original Araucaria Forest.The main attraction is the 500 metres (1,600 ft) long Jesuits Cave, with many speleothems such as stalagmites and stalactites.