Salar de Uyuni Circumnavigation Route
Navigate the world's largest salt flat mirror
The Salar de Uyuni stretches 4,086 square miles of blindingly white salt crust at 11,995 feet above sea level, making it the world’s largest salt flat and one of the most disorienting drives on the planet. The traditional circumnavigation route starts in Colchani village on the eastern edge, cuts straight across the geometric salt polygons to Incahuasi Island with its ancient cacti, then follows the western perimeter past flamingo-filled colored lagoons before looping back through the Train Cemetery outside Uyuni town. During dry season (May-November), the salt forms a hard crust that can support vehicle weight, but navigation becomes a test of GPS skills when every direction looks identical for 360 degrees.
This is a moderate technical challenge requiring high-clearance 4WD and absolute GPS redundancy — the featureless expanse has claimed vehicles that simply drove in circles until fuel ran out. Best tackled during dry season with extra water, food, and fuel for 3-4 days. Wet season (December-April) creates the famous mirror effect but makes crossing impossible. The reward is camping on an alien landscape under some of the clearest night skies on Earth, plus visiting remote hot springs and colored mineral lagoons that few tourists ever reach.
Trail Specs
| Difficulty | Moderate |
|---|---|
| Trail Type | Overland Route |
| Surface | Salt |
| Features | Camping, High Altitude, Remote, Scenic |
| Length (miles) | 186 mi / 299 km |
| Duration | 3-4 days |
| Max elevation (ft) | 11995 ft |
| Best season | May-November |
| Minimum vehicle | High-clearance 4WD |
| Nearest town | Uyuni, Bolivia |
| Land manager | SERNAP Bolivia |
| Permit required | No |
| Cell service | None |
| Water crossings | No |
| Dispersed camping | Yes |
| Start coordinates | |
| End coordinates | |
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| Find on Google | Search on Google → |
Location
Trail Conditions
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Frequently asked questions
Can a stock Tacoma or Land Cruiser handle this route without modifications?
A stock high-clearance 4WD is the minimum — think Land Cruiser 70/80 series, Tacoma, or equivalent. The salt surface is flat but the surrounding terrain transitions to rough volcanic rock and sandy tracks, so underbody protection and a proven 4WD system matter more than lift here.
What happens if you attempt this route during rainy season (December–April)?
The salt flat floods with a thin layer of water that creates the famous mirror effect — visually stunning but operationally risky. Hidden crust weaknesses and soft edges can swallow a vehicle, and recovery out there is a genuine problem. Stick to May–November unless you know exactly what you're doing and have local intel.
Do you need permits or fees to drive the Salar de Uyuni circumnavigation?
Access to the salt flat itself doesn't require a permit, but portions of the route pass through or near Reserva Nacional de Fauna Andina Eduardo Avaroa managed by SERNAP, which charges a foreigner entry fee (around $30 USD as of recent years). Carry US dollars cash — card payment infrastructure out here is nonexistent.
What's the hardest section of this route and what actually makes it difficult?
The toughest stretch is the transition off the salt onto the southwestern volcanic plateau — rocky, corrugated tracks with no markings and high altitude (close to 12,000 ft) that hammers both engines and drivers. Navigation is the real challenge since GPS tracks drift and cairns disappear; experienced local guides use line-of-sight landmarks.
How far is the nearest fuel stop, and can you complete this in one tank?
Uyuni is your last reliable fuel point before departure — there are no gas stations on the route. At 186 miles of driving plus detours and soft surface fuel burn, carry a minimum 20–30 liters of spare fuel. Water is equally critical; pack enough for 3–4 days since there are no resupply points on the salt.
Trail track
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