Pea Ridge National Military Park is a United States National Military Park located in extreme northwestern Arkansas near the Missouri border. The park protects the site of the American Civil War Battle of Pea Ridge which was fought March 7 and March 8, 1862. The battle was a victory for the Union, and helped it gain control of the crucial border state of Missouri.
The 4,300-acre (17 km2) Pea Ridge National Military Park was created by an act of Congress in 1956 to preserve the battlefield of the 1862 Battle of Pea Ridge. It was dedicated as a national park during the nation’s Civil War Centennial in 1963.The Battle of Pea Ridge (also known as Elkhorn Tavern) was fought on March 7 and March 8, 1862, near Bentonville, Arkansas.