| Caverna do Diabo State Park | |
|---|---|
| Parque Estadual Caverna do Diabo | |
 Walkway in the Caverna da Tapagem | |
  | |
| Nearest city | Barra do Turvo, São Paulo |
| Coordinates | 24°39′36″S 48°27′17″W / 24.659955°S 48.454678°W |
| Area | 40,174.82 hectares (99,274.1 acres) |
| Designation | State park |
| Created | 21 February 2008 |
| Administrator | Fundação Florestal SP |
The Caverna do Diabo State Park (Portuguese: Parque Estadual Caverna do Diabo) is a state park in the state of São Paulo, Brazil, established in 2008. It protects a mountainous area of Atlantic Forest, and is known for the dramatic Caverna da Tapagem or Caverna do Diabo, which draws thousands of visitors each year.