If you come to Ouachita, you must visit Poison Spring Park. Poison Springs Park is named to commemorate the Battle of Poisons in the American Civil War in 1864. It was once a battlefield and has been listed on the National Register of Historic Places. In addition to the historical traces of this park, its natural scenery is also worth seeing. There are hundreds of millions of years old thousand layers of rocks, White Oak Lake can be fished, and there are trails that can be hiked.