Ruta del Salar de Pedernales
Salt flats and flamingos at 12,000 feet
Salar de Pedernales sits at 12,000 feet in Chile’s high desert, a crystalline salt flat so remote that even the vicuñas seem surprised to see vehicles. The access track peels off from the main Calama-Paso de Jama route, winding through volcanic badlands where the only landmarks are distant peaks and the occasional mining camp. Laguna Verde’s emerald waters reflect Volcán Socompa, while hot springs bubble up through salt crusts that crack under your tires like broken glass.
Difficult terrain demands experienced high-altitude driving – thin air kills power and altitude sickness is real above 11,000 feet. Stock 4WD minimum, but low-range gearing and good ground clearance are essential for the salt-crusted ruts and washouts. May through September offers the most stable weather, though nights drop below freezing year-round. Carry extra fuel, water for three days, and emergency gear – this isn’t tourist territory. The reward is pristine wilderness where flamingos feed in thermal pools and you’ll see more stars than you knew existed.
Trail Specs
| Difficulty | Difficult |
|---|---|
| Trail Type | Backcountry, Technical 4x4 |
| Surface | Mixed, Sand |
| Features | High Altitude, Remote, Scenic |
| Length (miles) | 156 mi / 251 km |
| Duration | 3-4 days |
| Max elevation (ft) | 12000 ft |
| Best season | May-September |
| Minimum vehicle | Stock 4WD high-clearance |
| Nearest town | Calama, Antofagasta |
| Land manager | CONAF Chile |
| 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 4WD handle Ruta del Salar de Pedernales, or do I need a built rig?
A stock high-clearance 4WD can make it, but you need low-range, a reliable recovery kit, and good all-terrain tires — the deep sand sections will punish street tires and anything with weak sidewalls. A lift and skid plates add real margin out here. This is not a trail to test an unproven vehicle 156 miles from help.
When is the trail passable and what happens if you go in the wrong season?
May through September is the dry window — go outside that and you risk flash flooding from altiplanic summer storms (December–March) that can wash out crossings and turn salt flats into impassable mud. Snow is also possible at 12,000 feet in the shoulder months. Stick to the dry season.
Do I need permits or fees to run this trail?
CONAF Chile manages the protected areas along this route and may require entry fees or registration depending on which zones you enter — confirm current requirements with the CONAF Antofagasta office before you leave Calama. Regulations can change and rangers do patrol remote sections of the Atacama highlands.
What's the hardest section and what actually makes it difficult?
The deep sand stretches across and around the salar itself are the biggest challenge — soft, unpredictable, and long enough to bury a vehicle far from any help if you're not airing down and reading the surface correctly. Altitude compounds everything: recovery work at 12,000 feet is brutal, engines run lean, and your body works harder than you expect.
How do I handle fuel and water for a 156-mile route with zero cell service?
Calama is your last reliable fuel stop — carry enough range for the full 156 miles plus a 20–30% buffer for low-range sand driving, which destroys fuel economy. There is no potable water on route, so carry all drinking water from Calama; natural sources exist but require treatment and local knowledge to locate safely.
Trail track
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