| Petit Jean State Park | |
|---|---|
 Cedar Falls | |
  Location of Petit Jean State Park  Petit Jean State Park (the United States) | |
| Location | Conway County, Arkansas River Valley, Arkansas, United States |
| Coordinates | 35°07′N 92°56′W / 35.12°N 92.94°W |
| Area | 3,471 acres (14.05 km2) |
| Established | 1923 |
| Named for | Petit Jean Mountain |
| Governing body | Arkansas Department of Parks and Tourism |
| Website | www |
Petit Jean State Park is a 3,471-acre (1,405 ha) park in Conway County, Arkansas managed by the Arkansas Department of Parks and Tourism. It is located atop Petit Jean Mountain adjacent to the Arkansas River in the area between the Ouachita Mountains and Ozark Plateaus.