Big Oak Tree State Park
| Big Oak Tree State Park | |
|---|---|
Boardwalk trail through Big Oak Tree State Park | |
| Location | Mississippi County, Missouri, United States |
| Coordinates | 36°38′25″N 89°17′34″W / 36.64028°N 89.29278°W |
| Area | 1,028.68 acres (416.29 ha) |
| Elevation | 292 ft (89 m) |
| Established | 1938 |
| Administered by | Missouri Department of Natural Resources |
| Visitors | 24,162 (in 2022) |
| Website | Official website |
| Designated | May 1986 |
Big Oak Tree State Park is a state-owned nature preserve with recreational features encompassing 1,029 acres (416 ha) in East Prairie, Missouri, United States. The state park was established in a large expanse of drained cropland in 1938 to protect some of the largest trees in the state and in the nation. The park was declared a National Natural Landmark in May 1986, recognized as a rare, untouched wet-mesic bottomland hardwood forest in the Mississippi Alluvial Plain portion of the Gulf Coastal Plain.