Best mountain peaks in Ouachita National Forest are found across a landscape characterized by unique east-west running ridges and extensive old-growth forests. This region, spanning parts of Arkansas and Oklahoma, offers diverse terrain for outdoor activities. The forest contains numerous peaks, providing a range of elevations and features for exploration. It is a prominent area within the U.S. Interior Highlands.
Last updated: May 15, 2026
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The Flatside Wilderness spans 9,507 acres and is the easternmost of the six wilderness areas in the Ouachita National Forest. It is the perfect haven for outdoor lovers to enjoy its rugged terrain, small creeks, and stunning vistas, including an 8.9-mile section of the Ouachita National Recreation Trail. The area includes several peaks over 1,000 feet, with White Oak Mountain being the highest at 1,790 feet. Other notable peaks are Crystal Mountain, Grindstone Mountain, Flatside Pinnacle, and Forked Mountain. On clear days, you can even catch a glimpse of Mount Magazine, Arkansas's highest peak. This area is home to a variety of wildlife, including black bears, white-tailed deer, and in the rivers and streams, plenty of catfish, Black bass, and rainbow trout.
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Flatside Pinnacle stands at 1,550 feet and offers stunning panoramic views. The short 0.2-mile trail from the gravel road to the summit is clearly marked and relatively easy, though it does get rocky and a little steep at the end. At the top are some of the best views in the state, including Pinnacle Mountain and Rattlesnake Ridge to the east. On clear days, you may even spot Mt. Nebo, Petit Jean, and Mt. Magazine. It's a perfect spot to hang a hammock, have lunch, or simply enjoy some solitude. Dispersed camping is allowed here, making it an ideal spot for thru-hikers to unwind and soak in the scenery.
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Wilton Mountain is nestled 2 miles from U.S. Route 59 and approximately 6 miles west of the Arkansas state line, with an elevation of 2,543 feet above sea level. The summit (easy to reach from the trail or the highway) offers great panoramic views of the Kiamichi Mountains in the distance, especially after the leaf-off. There is a relatively flat ridge area that makes for an excellent resting or camping spot, complete with an unofficial camping area and a fire ring.
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The Black Fork Mountain Shelter is a backcountry shelter located off of the Ouachita Recreation Trail. It serves as a resting point and a basic shelter for hikers to spend the night during their trek. The rugged and steep Black Fork Mountain Trail continues up from the shelter to the namesake summit.
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The Tall Peak Fire Tower is a historic fire tower in the Ouachita National Forest. It is located at the top of Tall Peak in the southwestern part of the national forest in Polk County, Arkansas. It is a fieldstone structure built about 1938 by a crew of the Civilian Conservation Corps (CCC), and features the distinctive flared corners that typify CCC architecture. It is accessible via a forest service road off Polk County 64 ( also known as forest service road 38).
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The Ouachita National Forest features several notable peaks. Among them, Tall Peak Fire Tower offers historical significance and views from its summit. Flatside Pinnacle is known for its panoramic vistas, while Flatside Wilderness Area encompasses several peaks, including White Oak Mountain, the highest at 1,790 feet within that area.
For breathtaking panoramic views, consider visiting Flatside Pinnacle. From its summit, you can see Pinnacle Mountain and Rattlesnake Ridge to the east, and on clear days, even Mt. Nebo, Petit Jean, and Mt. Magazine. Wilton Mountain also provides great panoramic views, particularly of the Kiamichi Mountains in the distance after the leaves have fallen.
Yes, the Tall Peak Fire Tower is a significant historical site. This fieldstone structure was built around 1938 by the Civilian Conservation Corps (CCC) and is located at the top of Tall Peak, offering a glimpse into the region's past.
The Ouachita National Forest is rich in wildlife. In areas like the Flatside Wilderness Area, you might encounter black bears, white-tailed deer, and various fish species like catfish, black bass, and rainbow trout in the rivers and streams.
Many of the trails leading to viewpoints and summits in the Ouachita National Forest are considered family-friendly. For example, the short 0.2-mile trail to the summit of Flatside Pinnacle is relatively easy, though it gets rocky and steep at the end, making it an accessible option for families. The Ouachita National Forest also offers various easy and moderate hiking routes, which you can explore further in the Hiking in Ouachita National Forest guide.
Yes, many trails and areas around the mountain peaks in the Ouachita National Forest are dog-friendly. For instance, Flatside Wilderness Area, Flatside Pinnacle, and Wilton Mountain are all noted as dog-friendly, allowing you to enjoy the outdoors with your canine companion.
While the Ouachita National Forest contains many peaks, the highest point in the U.S. Interior Highlands and the Ouachita National Forest is Rich Mountain, reaching 2,681 feet in Arkansas and 2,950 feet near the Oklahoma border. Mount Magazine, at 2,753 feet, is the highest point in Arkansas and also within the broader Ouachita Mountains region.
Yes, there are opportunities for camping. Dispersed camping is allowed at Flatside Pinnacle, making it an ideal spot for thru-hikers. Wilton Mountain also features a relatively flat ridge area suitable for resting or camping, complete with an unofficial camping area and a fire ring.
For a challenging experience, the Black Fork Mountain Trail is known for being rugged and steep as it ascends to the summit. The Ouachita National Recreation Trail, which passes through areas like the Flatside Wilderness Area, also offers extensive backpacking and hiking opportunities, including more difficult sections.
Beyond hiking to the peaks, the Ouachita National Forest offers a variety of outdoor activities. You can find numerous hiking trails, road cycling routes, and running trails throughout the forest. Popular long-distance trails like the Ouachita Trail also provide extensive backpacking opportunities.
Yes, the Flatside Wilderness Area is a prime example, spanning over 9,500 acres and featuring rugged terrain, small creeks, and several peaks over 1,000 feet. Black Fork Mountain is also part of the Black Fork Mountain Wilderness, offering a pristine natural experience.
The Ouachita National Forest is beautiful year-round, but spring and fall generally offer the most pleasant hiking weather with mild temperatures and vibrant foliage. Visiting in late fall or winter, after leaf-off, can also enhance views from peaks like Wilton Mountain, as the distant Kiamichi Mountains become more visible.
Beyond the panoramic views, look for unique geological formations, especially on peaks like Forked Mountain, which is described as having a lot of character and many rocks. The Flatside Wilderness Area also features rugged terrain and small creeks, adding to the natural beauty around its peaks.

