Louisiana Purchase Historic State Park

The Louisiana Purchase of 1803 transferred an immense territory from France to the United States, stretching from the Mississippi River to the Rocky Mountains and roughly doubling the size of the young country. But the land was almost entirely unmapped, and before it could be sold to settlers or organized into states, it had to be surveyed into an orderly grid.

In 1815, two survey parties set out to establish the starting point for that grid in the newly acquired land. One party ran a line west from the Mississippi River, the other north from the mouth of the Arkansas River, and where the two lines crossed, in the middle of a swamp, they marked the initial point. From this spot in eastern Arkansas, surveyors laid out the township and section grid that shaped how land across the Louisiana Purchase would be measured, sold, and settled.

Because there were no landmarks in the trackless swamp, the surveyors did what surveyors of the era did: they blazed nearby trees to mark and witness the point. According to the record, they cut marks into two gum trees to record the location, creating a reference that could be found again in the featureless wetland.

For over a century the exact spot was little noted, until in the 1920s a survey crew rediscovered the historic witness trees and confirmed the initial point. A granite monument was later placed to mark it, and in time the state established the park to protect both the historic point and the swamp around it. The marker at the end of the boardwalk stands at the very place where the mapping of the West began.

The swamp itself may be the park's greatest surprise. Much of the eastern Arkansas Delta was once covered in dense bottomland hardwood and cypress-tupelo swamp, but the vast majority was cleared and drained over the last century for cotton, rice, and soybean fields. This park preserves a rare surviving fragment of that lost forest, a headwater swamp fed by rain and seepage rather than a river.

The elevated boardwalk lets visitors walk out over the standing water without disturbing it, passing among water tupelo, bald cypress, and other trees adapted to life with their roots submerged. It is a hushed, green, mirror-still world, and it gives a vivid sense of what much of the Delta looked like before the plow, all reached on an easy, accessible walk.

The swamp teems with life. Wading birds, woodpeckers, and songbirds move through the trees, turtles bask on logs, and frogs and insects fill the air with sound in the warmer months. The dark water and dense canopy create an atmosphere quite unlike the open farm country all around, a pocket of wilderness in a landscape long since tamed.

The park is remote and unstaffed, centered entirely on the boardwalk and its marker, so visitors should come prepared with water and insect protection and should plan the drive in advance. It makes a rewarding, offbeat stop for anyone crossing the Delta, joining a pivotal moment in the nation's history to a beautiful surviving scrap of its original landscape.

The closest Boutel™ stays, so you can turn this stop into an overnight. Each is a place we chose through independent editorial review, never a paid placement.

Louisiana Purchase Historic State Park, in eastern Arkansas, marks the initial point from which the vast territory of the Louisiana Purchase was surveyed, a site of national significance set in a beautiful and rare headwater swamp. After the United States acquired the enormous Louisiana Purchase, surveyors established a starting point for measuring the new lands, and this park preserves that historic initial point, marked by a monument reached by a boardwalk that winds through a lush, preserved headwater swamp forest. Blending national history with a rare natural wetland, the park offers a unique and educational stop. With its historic survey point and swamp, Louisiana Purchase Historic State Park offers a fascinating destination in Arkansas.

You can walk the boardwalk trail through the beautiful, rare headwater swamp forest to the monument marking the initial point of the Louisiana Purchase survey, learn about the survey and the Louisiana Purchase, watch for the birds and wildlife of the swamp, and appreciate the preserved wetland. The historic survey monument, the boardwalk through the lush swamp, and the blend of national history and rare nature are the draws, making it a unique and educational stop. Walking the boardwalk through the swamp to the monument is memorable. With its history and swamp, Louisiana Purchase Historic State Park offers a rewarding experience in Arkansas.

The Louisiana Purchase was the enormous acquisition of territory by the United States from France in the early nineteenth century, roughly doubling the size of the young nation and opening vast lands west of the Mississippi River to exploration and settlement. To measure and divide these new lands, surveyors established a starting reference point, and Louisiana Purchase Historic State Park preserves and marks that historic initial point in Arkansas. This connection to a pivotal moment in American expansion gives the site national significance. Understanding this history enriches a visit to Louisiana Purchase Historic State Park in Arkansas.

The mild months of spring through fall offer the most pleasant weather for walking the boardwalk through the swamp, with spring and fall especially comfortable and good for wildlife, while summer can be hot, humid, and buggy in the swamp, so mornings and insect repellent help. The lush swamp is beautiful in the green seasons. For the most comfortable weather to enjoy the boardwalk and swamp, aim for spring or fall at Louisiana Purchase Historic State Park in Arkansas.

Louisiana Purchase Historic State Park is in eastern Arkansas, within reach of the eastern Arkansas Delta region, the Mississippi River country, and the routes toward Little Rock to the west and the Delta towns. That makes Louisiana Purchase Historic State Park a fascinating stop to combine with the other attractions of eastern Arkansas on a visit to the state.