Lonesome Pine Road — Ouachita National Forest to Kiamichi River via Potato Hills Divide
Deep Oklahoma hills, deep red clay, deep quiet.
Most people blowing down US-270 through southeastern Oklahoma have no idea the Potato Hills are back there. Turn south off the highway near Whitesboro and the pavement ends fast. This route climbs through mixed pine-hardwood ridges along the Kiamichi Mountain front, skirting the southeast edge of the Ouachita National Forest before dropping toward the river valley. The Potato Hills section is the payoff — narrow bench roads along sandstone ridge crests with long views into the Kiamichi drainage and the Sans Bois Mountains in the distance. The road surface varies from decent gravel to soft red clay that will bury a two-wheel-drive vehicle to the frame when wet.
A high-clearance truck handles this fine in dry conditions. After rain, add lockers and mud tires to the requirement list — the clay here doesn’t drain, it just gets deeper. Best run April through June before summer heat, or September through November for fall color. No permits needed. Dispersed camping is available on Ouachita National Forest land. Fuel up in Wilburton or Talihina — there’s nothing along the route. Cell service is nonexistent once you’re in the hills.
Trail Specs
| Difficulty | Moderate |
|---|---|
| Trail Type | Backcountry, High Clearance |
| Surface | Dirt, Gravel, Mixed |
| Features | Camping, Historic, Remote, Scenic |
| Length (miles) | 44 mi / 70.8 km |
| Duration | 1-2 days |
| Max elevation (ft) | 2450 ft |
| Best season | April-June, September-November |
| Minimum vehicle | High-clearance 2WD (dry) / 4WD recommended |
| Nearest town | Wilburton, Oklahoma |
| Land manager | Ouachita National Forest |
| Permit required | No |
| Cell service | None |
| Water crossings | Yes |
| Dispersed camping | Yes |
| Official sources | fs.usda.gov |
| Start coordinates | |
| End coordinates | |
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Location
Trail Conditions
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Frequently asked questions
Can a stock Tacoma or 4Runner run Lonesome Pine Road without modifications?
Yes, a stock high-clearance truck handles this trail fine in dry conditions. After rain, red clay gets slick and rutted fast — lockers or at minimum good all-terrain tires become important, and a 2WD even with clearance will likely get stuck.
When does the trail get impassable and what months are safest?
Winter and early spring are risky — the clay turns to grease and low sections near the Kiamichi drainage can flood. April through June and September through November are the reliable windows; July and August work but heat and thunderstorm season means you can get caught in surprise mud.
Do you need a permit or pay any fees to run this trail?
No permit required and no fee to drive the route through Ouachita National Forest. Dispersed camping on National Forest land is free; follow the standard 14-day stay limit and camp at least 150 feet from water sources and the road.
What's the hardest section and what actually makes it difficult?
The Potato Hills Divide stretch is the crux — exposed ridge cuts with off-camber sidehills and loose shale over clay base that shifts under you when wet. It's not technical rock crawling, but a tippy or underpowered rig on a wet day will be working hard up there.
How far is the nearest gas from the trailhead and is there water on route?
Wilburton is your last reliable fuel stop, roughly 15-20 miles from the start — fill up there. There are stream crossings along the route but treat or filter everything; bring at least a full day's supply since there's zero cell service to call for help if something goes sideways.
Trail track
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