Louisiana Purchase State Park
Louisiana Purchase State Park has an accessible boardwalk. This National Historic Landmark at the junction of Lee, Monroe and Phillips counties marks the initial point from which all surveys of the property acquired from the French through the Louisiana Purchase of 1803 were begun.
Brochure Boardwalk Guide Phone 870-572-2352 Here is their website.
Boardwalk 950-foot “leads to the beginning point from which the Louisiana Purchase was surveyed. The headwater cypress swamp is interpreted by signs and wayside exhibits along the boardwalk.”