The Serra da Bocaina National Park is located on the border between the states of Rio de Janeiro and São Paulo, in the Southeast region of Brazil. It is a segment of Serra do Mar. The Serra da Bocaina National Park comprises an area of approximately 134,000 hectares and an expressive biodiversity. The creation of the park had as its objective the implantation of a shield of native vegetation, in the cliffs of Serra do Mar as protection of a possible nuclear accident in the Angra I and II plants. Among the fauna of the park are the jaguar, suçuarana, laziness, dark-tailed deer, and countless species of birds.