Deserts, Salt & Tablelands
Uyuni Salt Sky Crossing
Salar de Uyuni & Sud Lípez
In the dry months the hexagonal salt crust runs to the horizon; in the rains a thin sheet of water turns the salar into sky. Colored lagoons hold flamingos; nights freeze hard under thin air.
- Days
- 8
- Effort
- Moderate
- Window
- May–Oct (dry) · Jan–Mar (mirror)
- From
- $5,500
The ground
There are two Uyuni trips wearing the same name, and the difference is water. In the dry season, May to October, the salar is a hard crust of hexagonal plates running 10,582 km² to a flat horizon, fully drivable, with Isla Incahuasi and its giant cacti open and some of the darkest night skies on earth. In the wet season a thin sheet of rainwater turns the whole surface into a mirror. That is the photograph everyone knows, and it only exists from roughly December to April, peaking late January to early March.
You cannot have both. Mirror season floods and closes large sections of the salar, Incahuasi is often unreachable, and routes change without notice. Dry season has no mirror at all. We run them as separate departures and we will tell you which one you actually want.
South of the salar, Sud Lípez is the harder, higher half: Laguna Colorada with its James's flamingos, the Sol de Mañana geysers at 4,850 m, the Siloli desert, and nights that drop to −20 °C in June and July.
Shape of the days
A shape, not a script. Order and pacing move with weather, permits, and how the first days actually go.
Days 1–2
Arrival and acclimatisation
In via Uyuni, La Paz, or across from San Pedro de Atacama. Deliberate low-activity days. This trip starts above 3,600 m and goes up.
Days 3–4
Salar
Full days on the salt: the crust and Incahuasi in dry season, or the mirror at sunrise and sunset in the wet. Colchani and the salt-block builds either way.
Days 5–7
Sud Lípez
South through the Siloli desert to Laguna Colorada and Laguna Verde, the Sol de Mañana geyser field at 4,850 m, and the Polques hot springs at dawn.
Day 8
Exit
Out via Uyuni, or cross the Hito Cajón border into Chile for San Pedro de Atacama.
Conditions
The altitude is the hazard. The salar sits at 3,656 m and Sud Lípez camps run to 4,900 m; acute mountain sickness is common and we carry oxygen. Dry-season days are 12–18 °C with nights to −20 °C in midwinter; wet-season days are milder with a real risk of route closures and flight disruption into Uyuni.
Fitness bar
Moderate physically, demanding altitudinally. Little walking, long 4x4 days, and sleeping above 4,000 m. If you have a cardiac or respiratory condition, talk to us and to your doctor first. Altitude medication is a conversation with your own doctor; we do not prescribe.
Best months
May to October for the hexagonal crust, full access, and stargazing. January to March for the mirror. February is both the single most likely month for it and the likeliest to disrupt your routes. We schedule these as different trips.
Private or small group
Private 4x4 and guide throughout, with altitude-aware lodging including salt-built and high-desert hotels. Small-group departures up to six per vehicle.
What to bring
The cold is the packing problem: bring a bag and layers rated well below freezing for Sud Lípez, where June and July nights reach −20 °C. Sunglasses with side coverage against salt glare, high-factor sunscreen, and lip balm. Waterproof footwear in mirror season, closed trekking shoes in the dry.
Access and permits
The constraints that actually decide whether a date is possible.
- In the wet season Incahuasi is frequently inaccessible and drivers reroute at short notice. That is normal and not a service failure.
- The Eduardo Avaroa reserve charges an entry fee, and Sud Lípez accommodation is basic by design — there is no luxury option above 4,000 m out there.
Included
- Private 4x4 with driver-guide and oxygen aboard
- Eduardo Avaroa reserve fees and all park entries
- Altitude-appropriate lodging and all meals
- Border transfer to Chile if you exit that way
Not included
- Any guarantee of the mirror effect, which is weather-dependent even in peak season
- Isla Incahuasi during wet-season flooding
- International flights
What the price reflects
$5,500–8,500 for eight days reflects a private vehicle and guide, the better salt hotels and high-desert lodges, and oxygen and altitude protocols. Shared three-day jeep tours out of Uyuni cost a small fraction of this and are a genuinely different experience — six strangers to a Land Cruiser and dormitory nights.
Bands are per person sharing and move with party size, season, and lodge choice. Nothing is confirmed until it is confirmed in writing. How we price.
Where this is
Salar de Uyuni and Sud Lípez, Potosí, Bolivia. Mirror effect is a wet-season phenomenon only.
Elevation: Salar 3,656 m · Sud Lípez camps 4,200–4,900 m. Season as published: May–October (dry crust/stars); January–March (mirror effect—separate departure). Difficulty as assessed: Moderate.
What we checked
Seasons, altitudes, permits, and caps on this page were checked against park authorities, monitoring agencies, and operators on the ground. Where a fact changes with the year, we say so rather than round it off.
Near this
Same terrain, different week
Chile
Deserts, Salt & Tablelands
Atacama Sky & Salt
San Pedro de Atacama & Altiplano
Salt flats crack underfoot while volcanoes hold the horizon. After dark, the driest sky on Earth opens into a field of unbroken stars.
$6,800–$9,800
Details →Bolivia
Amazon & Rainforest
Madidi Amazon Traverse
Madidi National Park
From Andean cloud forest to lowland Amazon in one protected corridor. Jaguar country; river camps listen for night hunters.
$7,200–$10,500
Details →Bolivia
Deserts, Salt & Tablelands
Lake Titicaca Island Circuit
Lago Titicaca & Isla del Sol (Bolivia)
Inca paths ring the islands of the highest lake that working boats still cross. Thin light turns the water silver; a few reed craft hold on among the fibreglass.
$4,500–$6,800
Details →