The Ozark Highlands Trail offers 165-218 miles of rugged, water-rich backpacking through Arkansas's Boston Mountains, the highest range in the Ozarks. This point-to-point route traverses dense hardwood forests, crosses more than 60 named streams, and passes hundreds of seasonal waterfalls beneath dramatic sandstone bluffs. The trail demands respect—expect constant elevation change (29,500-41,000 feet cumulative gain depending on route), rocky terrain, and potentially treacherous creek crossings after storms. Hurricane Creek, despite its name, swells to river-size quickly and has swift current with steep banks. The Buffalo River crossing near the eastern terminus can be dangerously high, sometimes requiring hikers to wave down passing boats.
This is not a technically difficult trail, but the repetitive climbs, humidity, and remoteness create steady physical and mental challenge. Most thru-hikers complete the popular 165-mile Boston Mountains route in 10-14 days. Highlights include White Rock Mountain's circling ascent, the Marinoni Scenic Area's towering bluffs and natural bridges, and the sheer abundance of water—you'll rarely need more than 2 liters capacity. The Ozark Highlands Trail Association maintains the route with volunteers, and white rectangular blazes mark the path, though some sections share use with equestrians (dual white/yellow blazing).
No permits required. The trail runs almost entirely through Ozark-St. Francis National Forest under standard dispersed camping rules. Registration boxes are located along the trail—sign in at each one you pass to help the Forest Service justify maintenance funding and track usage.
Camping is permitted anywhere on national forest land at least 200 feet from trail and water sources, and out of sight of the trail. Use existing fire rings if available, but do not construct new ones. You are financially responsible for any wildfire damage caused by improperly extinguished campfires—fires must be completely dead out. Fire restrictions change seasonally; check current conditions before departure. Sections within Buffalo National River corridor may have additional camping and fire limitations.
Groups over 75 people require a special use permit from the Forest Service (479-964-7200). Dogs are prohibited on trails within Buffalo National River sections; elsewhere they're permitted but must be leashed.
Mid-October through early June offers the best window, with October-November and February-April being optimal. Fall (mid-October to early December) brings spectacular foliage peaking in mid-October, drier conditions, and comfortable temperatures without the oppressive humidity. Spring (mid-March to early June) is rainier but rewards you with abundant waterfalls, flowering dogwoods, redbuds, and wildflower carpets. Expect variable shoulder-season weather—temperatures can swing from the 70s to below 20°F within days in late February.
Avoid summer. July and August bring heat, humidity, severely reduced water flows, dense vegetation (including poison ivy, poison oak, and thorny vines), plus heavy tick, chigger, and mosquito populations. Tick-borne illness risk is substantial in late spring through summer. Trail maintenance volunteers don't clear overgrowth from late spring until early fall, so summer hikers often push through chest-high brush.
Winter (December-February) is possible—the Ozarks receive minimal snow (around 3 inches yearly) and the trail remains accessible when higher-elevation routes are snowed in. However, ice on ridges and flooded crossings can turn simple miles into slow, careful travel. An ice storm in January 2009 forced temporary closure. October-November offers the easiest rhythm: stable weather, long views through leafless trees, dry footing, and minimal bugs.
Water is exceptionally plentiful—flooding is more common than scarcity. You'll cross numerous creeks daily with abundant seasonal waterfalls; a 2-liter capacity suffices year-round for most hikers. Water flows year-round in most crossings based on hiker reports, though levels drop significantly by July. Even in summer, water is usually available at any creek crossing, just not as reliably. Always filter or treat. Check creek levels before your trip—Hurricane Creek and the Buffalo River can swell dangerously after rain.
Resupply options require planning. Three post offices accept mail drops: Oark (72852) at mile 61, Ozone (72854) at mile 84.7, and Pelsor (72856) at mile 123. All have extremely limited hours and require multi-mile road walks off-trail. Highway 65 provides the only practical resupply for the trail's second half—hitchhiking to St. Joe (fairly easy on this well-traveled road) gives access to a Dollar General. Alternatively, coordinate with someone to deliver resupply boxes where the trail crosses forest roads.
A High Water Bypass exists around Hurricane Creek's two crossings, shortening the route by 2.5 miles. Use this option if water levels are unsafe—Hurricane Creek is the size of a river and swells substantially with weather. Recent trip reports describe crossings at shin-deep as "slippery but totally doable if you take your time," but conditions vary dramatically.
Creek crossings are the primary hazard. Hurricane Creek stands out—swift current, steep overgrown banks, and rapid swelling after storms make it potentially dangerous. The Buffalo River near Woolum can be impassably high, especially for westbound hikers who encounter it immediately. Some hikers have flagged down boaters for safe passage. Monitor weather forecasts and current water levels throughout your hike.
Navigation is generally straightforward with white rectangular metal blazes, but some sections have missing or far-apart markers. Mile markers (12-inch horizontal carsonite posts) were recalculated and replaced 2016-2017 but can go missing. Download maps or use GPS as backup. Sections between Richland Creek crossing and Old Arnold Cemetery are dual-blazed white/yellow for shared equestrian use.
Wildlife: Black bears are expanding their population in White Rock Mountain and Horn Mountain areas (eastern trail). Bears are typically small (under 100 pounds) and afraid of humans—only about a dozen sightings reported yearly. Never keep food or scented items in your tent; hang food or use bear-proof containers. Venomous snakes (copperheads, rattlesnakes, water moccasins) are prevalent but there has never been a reported snake bite incident on the OHT. Avoid handling snakes or sitting where you can't see the ground. White-tailed deer, elk, coyotes, bobcats, wild turkey, and armadillos are commonly seen.
Insects: Ticks, chiggers, and mosquitoes are severe late spring through summer. Tick-borne illness is a real concern. Treat clothing with permethrin and check yourself thoroughly each evening. Poison ivy is extremely common; learn to identify its three almond-shaped leaflets.
Weather exposure: Thunderstorms can develop rapidly. Ridgetop exposure creates lightning risk, and the Ozarks receive around 50 inches of rain yearly (rain about 100 days/year). The Rocky terrain becomes treacherously slick when wet—leaves and soft clay create sliding conditions on descents. Trekking poles are highly recommended.
Western terminus: Lake Fort Smith State Park off Arkansas Highway 71 near Mountainburg. The trail begins behind the park's visitor center. Parking available; contact the park (479-369-2469) for current fees.
Eastern terminus: Woolum ford on the Buffalo National River. Parking at coordinates 35.97194, -92.88621. This is a remote location with minimal facilities.
Airports: Fort Smith Regional Airport (FSM) is closest with fewer daily flights. Fayetteville (XNA) and Little Rock National Airport (LIT) offer more flight options but are farther away. Rental cars recommended—public transportation is virtually nonexistent in rural Arkansas. Uber/Lyft availability is limited outside Fort Smith.
Shuttles: Several services shuttle sections of the trail but not the entire length. Turner Bend Outfitter covers Lake Fort Smith to Ozone areas. Buffalo River Outfitters handles other sections. Shuttle coordination typically requires booking multiple services for a thru-hike. Check the Ozark Highlands Trail Association website for current provider listings. Two-car setups are common for section hikers.
Direction: Most hikers go eastbound (Lake Fort Smith to Woolum) because the western terminus is more accessible and you avoid immediately crossing the potentially high Buffalo River. The popular Tim Ernst guidebook is written for west-to-east travel. Westbound has the advantage of descending rather than climbing the steeper sections near Fairview, but logistics favor eastbound.
Timing your hike: Balance water availability against flood risk. You want plentiful water for waterfalls and reliable crossings, but not so much rain that Hurricane Creek or the Buffalo River become dangerous. Check creek levels and weather forecasts before departure and monitor throughout.
Footwear: Wet leaves and soft clay make the trail extremely slick. Choose boots or trail runners with aggressive tread. Expect your feet to get wet—waterproof boots are less important than quick-drying shoes. Many hikers bring camp shoes for stream crossings to keep hiking shoes dry.
Rain gear: Essential. Lightweight forest setup works well with solid rain protection. The humidity makes breathable rain gear worth the investment.
Cell coverage: Virtually nonexistent. You might catch weak signal on high ridgetops, but don't count on it. Verizon offers the best coverage in Arkansas generally, but even they have gaps in the Ozarks. Consider a satellite messenger (inReach, SPOT) for emergencies.
Trail angels: The Ozark Highlands Trail Association is active and supportive. Sign in at all registration boxes—this helps with rescue coordination if needed and demonstrates trail usage to justify maintenance funding.
Camping strategy: Water availability allows flexible camping—pick sites based on terrain rather than water sources. Look for level spots away from drainages that might flash flood. Ridgetops can be windy but offer views and fewer bugs.
Less-known highlights: The Marinoni Scenic Area's bluff lines are stunning with moss and lichen-covered walls, natural bridges, and enormous boulders. Don't rush through this section. The constant stream crossings, while challenging logistically, create an incredibly lush landscape unlike drier Western trails.
Route choice: The 165-mile Boston Mountains route (Lake Fort Smith to Buffalo River) is most popular and well-maintained. The longer 207-218 mile routes include additional sections with more gaps and potentially rougher tread. First-timers should stick to the established 165-mile route.
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