Louisiana Purchase Historic State Park

The park features a 950-foot boardwalk that extends through a headwater swamp to reach a granite monument marking a historical survey point.

The park marks the starting point of all land surveys conducted after the Louisiana Purchase of 1803, which expanded United States territory significantly.

The L'Anguille Chapter of the National Society of the Daughters of the American Revolution dedicated a monument at this location in 1926.

Visitors can access the park daily from 6 AM to 9 PM through Arkansas Highway 362, located nineteen miles southeast of Brinkley.

The swamp environment supports native species like swamp tupelo, bald cypress, and black willow, with frequent sightings of prothonotary warblers and kingfishers.

Location: Monroe County

Inception: 1961

Website: https://arkansasstateparks.com/louisianapurchase

GPS coordinates: 34.64569,-91.05397

Latest update: March 3, 2025 02:25