Parque Estadual da Serra do Mar is a protected area located in the state of São Paulo, Brazil. Established in 1984, it spans over 300,000 hectares and is part of the larger Atlantic Forest ecosystem. The park is known for its rich biodiversity, including numerous species of plants and animals, some of which are endemic to the region. The park features various hiking trails, waterfalls, and scenic viewpoints, making it a popular destination for nature lovers and outdoor enthusiasts. It plays a crucial role in conservation efforts, helping to preserve the unique flora and fauna of the Atlantic Rainforest while providing recreational opportunities for visitors.