the process of regeneration. There are fragments of the original Araucaria Forest, which contain species such as Brazilian walnut (Ocotea porosa), Paraná pine (Araucaria angustifolia), yerba mate (Ilex paraguariensis), cedar (Cedrela fissilis) and Brazilian oak (Roupala brasiliensis). Fauna include crab-eating fox (Cerdocyon thous), brocket deer (Mazama species), Brazilian squirrel (Sciurus aestuans), azure jay (Cyanocorax caeruleus), jacu (Penelope species) and endangered species such as lowland paca (Cuniculus paca) and oncilla (Leopardus tigrinus). Conflicting activities include hunting, uncontrolled visiting, invasion by exotic species, a road inside the conservation unit and maintenance of a high voltage power transmission line. Visiting Visits are mainly by organized groups accompanied by guides for educational purposes. As of 2017 the park was open from 9:00 to 16:00 from Tuesday to Friday. Groups of over 15 visitors require prior scheduling. The responsible person must ensure that the members of the group are aware of the park rules, both for the safety of the visitors and to preserve the environment of the park. Camping, making fires, hunting and fishing are not allowed. Visitors must stay on the marked paths and do nothing to damage the environment. The park has parking, accommodation for volunteers and researchers, garbage bins, a kiosk, benches and picnic tables, toilets and showers. The visitor center has media projection equipment, a lecture room, restrooms and administration areas. The visitor center provides environmental education. The main attraction is the Gruta dos Jesuítas (Jesuit's Cave) with a length of about of large halls that contain many beautiful speleothems such as stalagmites, stalactites, columns, curtains and travertines. The Gruta da Fada is open only to pre-authorized groups for environmental education or research. There is a Forest Trail where visitors can learn about the native plant species. Notes Sources State parks of Brazil Protected areas established in 1960 1960 establishments in Brazil Protected areas of Paraná (state)