Serra da Bocaina is a mountain range located in southeastern Brazil, primarily within the states of São Paulo and Rio de Janeiro. It is part of the Serra da Bocaina National Park, which covers an area of approximately 104,000 hectares. The region is known for its rich biodiversity, featuring various ecosystems, including Atlantic Forest and mountainous terrain. The park is home to numerous hiking trails, waterfalls, and scenic viewpoints, making it a popular destination for nature lovers and outdoor enthusiasts. Additionally, the area supports a variety of wildlife, including endemic species, contributing to its ecological significance and attracting researchers and tourists alike.