Devil's Den State Park is situated in the northern part of the Arkansas Ozarks and covers an area of 2,500 acres. It is a popular destination for outdoor enthusiasts, with plenty of opportunities for hiking, camping, and mountain biking. The park is named after the unique rock formation, Devil's Den, which is a popular spot for rock climbing.

One of the main attractions of the park is the 8-mile Butterfield Trail, which passes through the park and is a popular hiking and biking trail. The park also has several other trails, including the Devil's Den Trail, which leads to the Devil's Den cave and waterfall, and the Yellow Rock Trail, which provides stunning views of the Ozarks.

The park has several campgrounds, including Devil's Den Campground, which has over 140 campsites, and the more secluded and primitive campsites at the nearby Fossil Flats.

In addition to its natural beauty, Devil's Den State Park also has a rich history. During the Civil War, Confederate soldiers used the Devil's Den cave as a hideout. The park also has several historic structures, including the CCC-built cabins and the Civilian Conservation Corps (CCC) Museum.

The best time to visit Devil's Den State Park is in the fall when the leaves turn vibrant shades of red, orange, and yellow. The park is open year-round but some facilities may be closed during the winter months.

Overall, Devil's Den State Park is a must-visit destination for nature lovers and outdoor enthusiasts. With its stunning natural beauty, rich history, and plenty of outdoor activities, it's no wonder that it is a popular spot for visitors from all over the country.