the state park of pedra branca is actually the biggest urban forest reserve in the world. with an area of roughly 12,500 hectares, the parque estadual da pedra branca covers almost 10% of the entire municipality of rio de janeiro.  

home to an important part of the precious atlantic rainforest of brazil, wild beaches, high mountains, and countless trails and waterfalls, this is one of the most beautiful and precious areas of rio  de janeiro.