Big Oak Tree State Park in Missouri, USA - map and visitor information

Research checked: 2026-10-29. Check linked official notices before travel.

Big Oak Tree State Park near East Prairie, Missouri, protects a pocket of bottomland forest and cypress swamp in the Bootheel. A self-guided boardwalk and shaded picnic sites make a woodland walk the natural focus of a day here.

Highlights among the big trees

• Follow the boardwalk into the wet forest and look up into the tall oak and hickory canopy.
• Bring binoculars for swamp and woodland birds, including wood ducks and prothonotary warblers.
• Combine the walk with a picnic beneath mature trees.

Plan your Big Oak Tree visit

Fees, hours, and seasonal access

Insects and wet ground

Use insect repellent and wear long pants for walks through the bottomland forest. Ground conditions matter on the dirt trail: the park’s accessibility guidance describes its level surface as suitable for most visitors in dry weather. Ask about trail conditions after wet weather.

Protect the bottomland habitat

Keep your visit on the established walking routes. The natural area has hunting and fishing restrictions; neither activity is permitted within Big Oak Tree Natural Area. Leave plants and wildlife undisturbed.

Reserve the picnic shelter

For a shelter booking, use the park’s shelter reservation instructions. Online reservations cover dates from 30 days to 12 months ahead. For a date less than 30 days away, contact the park directly.

Location and access near East Prairie

The visitor address is 13640 S. Highway 102, East Prairie, MO 63845-8768. From East Prairie, take Highway 80 east, then Highway 102 south. The conservation department’s approach continues west onto Highway RB; follow the park signs to a trailhead. Use the official park page to find the park map before you set out.

Nearby parks and historic sites

Two nearby state-managed heritage stops are Towosahgy State Historic Site, on County Road 502 near East Prairie, and Hunter-Dawson State Historic Site, in New Madrid. They provide practical alternatives for a regional road outing. Check each site’s visitor hours before adding it to your day.

Walk, watch birds, and picnic

Make the boardwalk your starting point for understanding the swamp. For a second woodland walk, the Bottomland Trail passes through the natural area’s large-tree habitat. Pause quietly for birds rather than expecting a particular species on every visit. The natural area description explains how small changes in elevation create different wetland communities.

Picnic facilities and accessibility

The picnic area has a playground, and the shelter has a vault toilet nearby. The park describes accessible picnic sites, a water fountain, and boardwalk features that support accessible birding. Contact staff about the current surface conditions and the facilities that meet your needs.

About the protected forest

A local effort to save the trees

Local residents, businesses, and schoolchildren helped fund the purchase that led to the park’s dedication in 1938. The original oak that inspired the campaign died in 1952; the protected forest is the lasting result of that effort.

Birds and bottomland mammals

Wood ducks, barred owls, and pileated woodpeckers are among the birds recorded here. Deer, raccoons, and swamp rabbits also use the forest. Watch from the trail and give animals room to move away.

Contact Big Oak Tree State Park

Call 573-649-3149 for trail conditions, shelter availability, and access questions. Missouri State Parks manages the park through the Missouri Department of Natural Resources.