Salt Plains State Park is located in north-central Oklahoma, covering over 8,000 acres. The park is known for its unique salt flats, which are remnants of an ancient sea. Visitors can explore the area through hiking trails and enjoy activities like birdwatching and fishing in the nearby Salt Fork River. One of the park's main attractions is the ability to dig for crystal formations in the salt flats, making it a popular spot for families and rockhounds. The park also offers camping facilities, picnic areas, and educational programs about the local ecosystem and geology, enhancing the outdoor experience for all visitors.