Ruta del Desierto de Atacama Norte
Mars training in Chile's copper country
The northern Atacama route cuts through terrain so barren it makes Mars look hospitable, threading between abandoned nitrate ghost towns and active lithium mining operations near Calama. This backcountry circuit connects the Chuquicamata copper mine area with the remote salt flats around Salar de Ascotan, passing through elevations where oxygen gets thin and the landscape turns alien. You’ll cross mining roads that have seen more ore trucks than tourist rigs, with waypoints like the abandoned Oficina Chacabuco nitrate works and the surreal blue-green pools of the Tatio Geyser access roads.
This is serious high-altitude desert driving demanding excellent navigation skills and a well-prepped rig with extra fuel, water, and emergency gear. Stock 4WD handles most sections but low-range helps on the steeper mining access climbs above 4,000 meters. May through September offers the most stable weather, though nights can hit freezing even in summer. No services for 200+ kilometers once you commit, but you get solitude in one of Earth’s most otherworldly landscapes plus real insight into Chile’s mining backbone.
Trail Specs
| Difficulty | Difficult |
|---|---|
| Trail Type | Overland Route |
| Surface | Dirt, Gravel |
| Features | High Altitude, Historic, Remote |
| Length (miles) | 156 mi / 251 km |
| Duration | 3-4 days |
| Max elevation (ft) | 14100 ft |
| Best season | May-September |
| Minimum vehicle | Stock 4WD high-clearance |
| Nearest town | Calama, Antofagasta |
| Land manager | CONAF/Private Mining Concessions |
| 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 Land Cruiser or 4Runner handle this route without modifications?
A stock high-clearance 4WD will get through, but ground clearance matters more than lockers here — the hardest sections involve loose volcanic scree and deep washboard that punishes low-slung rigs. All-terrain tires are non-negotiable; highway rubber will shred fast on the sharp gravel.
When does the trail become impassable and what closes it?
Run it May through September when the altiplano dry season keeps the salt flats firm and crossable. Summer months (December–March) bring the Bolivian winter — the 'invierno altiplánico' — which dumps flash floods and turns the flats into impassable mud overnight.
Do you need permits to drive through the mining concession zones?
Parts of the route cross private mining concessions managed by copper operations; no formal permit is required for transit, but CONAF manages some adjacent protected areas that may require vehicle registration at entry points. Carry your passport and vehicle documents — Chilean Carabineros and mining company security both patrol this corridor.
What's the hardest section and what actually makes it hard?
The push above 13,000 ft toward the 14,100 ft max elevation is where rigs and bodies both struggle — thin air tanks turbo-diesel power and hits unprepared drivers with acute altitude sickness fast. The surface itself turns to deep loose gravel and corrugations that demand slow, deliberate driving; rushing it risks a rollover on the camber.
How far does fuel need to stretch and is there water on route?
Calama is your last reliable fuel stop — plan for the full 156-mile route plus a 30–40% buffer for low-gear crawling and altitude inefficiency, so a minimum 50-gallon total capacity is smart. There is no potable water on route; carry everything you need for 3–4 days because the salt flats and mining zones offer nothing drinkable.
Trail track
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