Ruta del Desierto de Atacama – San Pedro to Calama Circuit
Atacama's flamingo circuit through the world's driest desert
The dirt roads between San Pedro de Atacama and Calama cut straight through the heart of the world’s driest desert, passing flamingo-filled lagoons and steaming geysers at 14,000 feet. This circuit connects the tourist hub of San Pedro with the mining town of Calama via backcountry routes through Reserva Nacional Los Flamencos, hitting the Tatio Geysers at dawn and looping back through the salt flats near Salar de Atacama. The washboard dirt gets rough between the geysers and the main highway, and altitude hits hard around Tatio.
Moderate difficulty demands high-clearance 4WD for the washboard sections and river crossings near the geysers. Best tackled April through September when temperatures drop below brutal. Carry extra water, fuel for 300+ miles, and warm gear for freezing pre-dawn geyser visits. No permits needed for the main route, but camping is limited to designated areas. You’ll see more flamingos and vicuñas than people, plus some of the clearest night skies on the planet.
Trail Specs
| Difficulty | Moderate |
|---|---|
| Trail Type | Overland Route |
| Surface | Dirt |
| Features | Camping, High Altitude, Remote, Scenic, Water Crossings |
| Length (miles) | 186 mi / 299 km |
| Duration | 2-3 days |
| Max elevation (ft) | 14100 ft |
| Best season | April-September |
| Minimum vehicle | High-clearance 4WD |
| Nearest town | San Pedro de Atacama, Antofagasta |
| Land manager | CONAF - Reserva Nacional Los Flamencos |
| Permit required | No |
| Cell service | None |
| Water crossings | Yes |
| Dispersed camping | Yes |
| Start coordinates | |
| End coordinates | |
| Copy both for Google Maps directionsClick to copy the directions URL · or open it directly in a new tab | |
| Find on Google | Search on Google → |
Location
Trail Conditions
No recent condition reports. Be the first to post one.
Log in to post a condition report.
Frequently asked questions
Can a stock Hilux or Land Cruiser handle this route without a lift?
Yes — stock high-clearance 4WD is the minimum and genuinely sufficient for most of this circuit. The dirt tracks and salt flat crossings don't demand a lifted rig, but you need low-range, a recovery kit, and two spare tires minimum given how remote and sharp the volcanic rock gets.
When is this route actually driveable, and what shuts it down?
April through September is the sweet spot — drier, more stable conditions and lower flash flood risk. The Bolivian winter (January–March) brings altiplano rains that can wash out river crossings and turn salt flats into impassable mud overnight.
Do you need permits to drive this circuit, and is there an entry fee?
Yes — portions of the route pass through Reserva Nacional Los Flamencos, managed by CONAF, which charges an entry fee (around 5,000–7,000 CLP per person as of recent years, verify current rates before you go). Have cash in Chilean pesos; there's no card reader in the desert.
What's the hardest section of the route and what makes it technical?
The high-altitude tracks above 13,000 ft near the geothermal fields are the most demanding — loose volcanic scree, no trail markings, and altitude that kills traction and your body simultaneously. Navigation is the real challenge here; GPS tracks are essential because there are multiple diverging paths with no signage.
How much fuel do you need to carry, and where can you resupply between San Pedro and Calama?
Carry enough fuel for at least 250 miles (400 km) of range — there is zero fuel available on the route itself. Fill up completely in San Pedro de Atacama before departure and plan to refuel in Calama at the end; don't count on anything in between.
Trail track
No GPX track for this trail yet. If you've driven it and have a track, contribute below.
Log in to contribute a GPX track.