| Chandless State Park | |
|---|---|
| Parque Estadual Chandless | |
 View of the park, with a settlement in the foreground | |
  | |
| Nearest city | Manoel Urbano, Acre |
| Coordinates | 10°01′20″S 70°21′37″W / 10.022291°S 70.360337°W |
| Area | 695,303 hectares (1,718,130 acres) |
| Designation | State park |
| Created | 2 September 2004 |
| Administrator | Instituto de Meio Ambiente do Acre |
The Chandless State Park (Portuguese: Parque Estadual Chandless) is a state park in the state of Acre, Brazil. It protects an important but relatively unexplored region of rainforest with bamboos holding great biodiversity. It is valuable as an ecological corridor between adjoining conservation units and indigenous territories. Some parts of the park are used by uncontacted nomadic indigenous people.