park authorities monitor and control any alteration of the beautiful natural landscape as well as protecting and revitalizing the historical buildings, ruins, and other rich archaelogical sites, as well as promoting scientific research and development - finally, the park recognizes the value of the area as a meaningful outdoor space of leisure and recreation for visitors, who may participate and appreciate the biological diversity of this natural haven.

published by the  instituto estadual do ambiente - inea, on this link more information is available, including a link to the state decree of 1974 that created the parque estadual da pedra branca.