A unique geological feature characterised by small, eye-like holes in the salt flats. Walking across the salt flats allows you to truly appreciate the scale of the landscape and feel the texture of the salt crust underfoot. The Salar de Uyuni in Bolivia offers a variety of activities, from exploring its vast salt flats to discovering the surrounding lagoons and volcanoes. The salt flats, visible from low Earth orbit, display stark white hues that contrast sharply with the darker surrounding rock formations. For much of the year, the salt flats stretch out in a seemingly endless expanse of white, covering about 10,000 square kilometers (4,000 square miles). The salt flat was formed through the gradual evaporation of prehistoric lakes, leaving behind an extensive, flat salt crust.
When the rain accumulates on the layer of salt, Salar de Uyuni is transformed into a tremendous mirror and reflects the clouds, sunrises and sunsets flawlessly. The skies are very clear and can be viewed without clouds to have a perfect view of the stars and also photography. It presents the most opportune moment to the travelers that wish to go exploring in 4×4 vehicles and see the islands that are found in the flats. A land of the opposites – it is where the geological formations of the past are in contact with the futuristic sceneries that have been a source of inspiration to filmmakers, photographers and even adventurers. Salar de Uyuni is not just a vast expanse of salt, but it is located in southwest Bolivia, almost on the crest of the Andes, some 3,656 meters above sea level.
If you are coming from Argentina it is possible to book tours that begin in Tupiza. Most people time their arrival for the morning of the start of their tour. There is nothing really of interest in Uyuni itself so it’s not worth spending much time here. Be aware that December and January are the wettest months and sometimes excessive rain can lead to tour cancellations. The clear night skies offer great star-gazing opportunities and you’ll also be able to visit some places that aren’t accessible during the wet season.

Best Time To Visit

From strange islands in a sea of blindingly bright salt to delicately colored mineral lakes in the Andean mountains, this is an unforgettable Bolivian landscape. When it dried up, it left a couple of seasonal puddles and several salt pans, including Salar de Uyuni. It was part of a prehistoric salt lake, Lago Minchín, which once covered most of southwest Bolivia. The world’s largest salt flat sits at a lofty 3653m (11,985ft) and blankets an amazing 12,000 sq km (4633 sq miles).

Things to Know Before Choosing a Tour

For travelers looking to design a trip that feels unique. These guides provide in-depth insights for your trips, helping you explore destinations deeply for unforgettable experiences, whether popular or off the beaten path. For travelers seeking the most comprehensive insights. Salar de Uyuni is one of those rare landscapes that feels like Earth trying to show what it’s capable of. Very few places on Earth bring together three simple elements—minerals, water, and light—in such a dramatic way.

• You’ll follow the same itinerary as the first day of the 2-day and 3-day tours.
• The ideal time for stargazing is during the dry season (April to November) and particularly around new moon phases, when the skies are clear and dark.
• However, if you are travelling from La Paz (which is at a similar altitude) or Cusco (just 250 m lower) then you will likely be fine as you should have acclimatised.
• These months are also less cold than the dry season.
• I only recommend services I’ve either personally used, thoroughly researched, or consider reliable based on reputation and reviews.
• Here are some of the key differences between the plethora of tours on offer.
• Catch a local bus to Colchani (this is a stop on tours to visit a salt museum).

Uyuni itself offers little of interest and so it’s best to avoid spending more time here than necessary. Salar de Uyuni sits at 3,656 m.a.s.l. and some parts of the tour reach altitudes of above 4,500 m. Many travellers begin their tour in Uyuni and then continue on to San Pedro de Atacama in Chile. When booking a tour you’ll have the option of taking a round trip or including onward travel spinmaya no deposit bonus code at the end of the tour.

The Salt Hotels

On both tours, the food was great, and there was plenty of it — we couldn’t even finish everything. The first night’s accommodation (salt hotel) was very clean and comfortable, with fresh bedsheets, towels, and toilet paper provided. Don’t underestimate the altitude and make sure to acclimatise before taking a tour. Most tours are conducted in 4WD vehicles, with the driver also acting as the guide. I’ve done the 3-day Salar de Uyuni tour twice with different agencies, eight years apart, in 2017 and 2025.
There are ATMs in Uyuni but these are not always reliable so it’s best to bring some extra cash from wherever you are travelling. Note also that Incahausi island is sometimes inaccessible during the rainy season. Some people are keen to observe the mirror effect on the salt flat. Aim to begin your tour the same day, otherwise you’ll have a whole day to waste.

Salar de Uyuni: Explore The World’s Largest Salt Flat In Bolivia

When it dried, it left behind two modern lakes, Poopó and Uru Uru, and two major salt deserts, Salar de Coipasa and the larger Salar de Uyuni. Uyuni originates from the Aymara language and means a pen (enclosure); Uyuni is also the name of a town that serves as a gateway for tourists visiting the Salar. The large area, clear skies, and exceptional flatness of the surface make the Salar ideal for calibrating the altimeters of Earth observation satellites. The Salar was formed as a result of transformations of seven Late Pleistocene lakes whose progressive desiccation led to the accumulation of extensive evaporitic salt deposits.

• That’s what it’s like when you visit the Salar de Uyuni, Bolivia’s enormous salt flat that stretches as far as your eyes can see.
• Salar de Uyuni is not just a vast expanse of salt, but it is located in southwest Bolivia, almost on the crest of the Andes, some 3,656 meters above sea level.
• This breathtaking natural wonder attracts thousands of travellers each year, who come to marvel at the majestic salt flats spanning over 10,000 square kilometres.
• Due to the proximity to these international borders, many travelers either start or end their time in Bolivia at Salar de Uyuni.
• The first night’s stay in a salt hotel was very clean and comfortable, with fresh bedsheets, towels, and toilet paper provided.
• Of course, there are also many reputable tour operators in the area who will ensure your experience of this natural wonder is both memorable and safe.

Many first-time visitors to the area (including me!) are surprised to discover how much there is to see beyond the salt flat itself. The first such hotel, named Palacio de Sal, was erected in 1993–1995 in the middle of the salt flat, and soon became a popular tourist destination. The lithium in the salt flats contains more impurities, and the wet climate and high altitude make it harder to process. Through its reliable brands such as Gokite Oman, your journey to the largest salt flat in the world will be continuous, natural and memorable. By choosing green tours and taking care of any natural environment, it is possible to ensure that the future generations can still keep Exploring Salar de Uyuni in all its impeccable beauty.
The second day includes mind-blowing Laguna Colorada and other stunning lagoons filled with flamingoes. They were visibly struggling and choking on the dust kicked up by the tour vehicles. On the way from the Uyuni Salt Flats to the flamingo lagoons, we passed a few tourists cycling along the road. Keep the high altitude, strong sun, and wind in mind. You should be an experienced cyclist and be prepared for long distances. I spent three months travelling around Bolivia, and my trip to Salar de Uyuni was the real highlight.

Across more than 10,000 square kilometers, the elevation difference is barely around one meter.This is almost impossible in natural landscapes. The foundation of Salar de Uyuni goes back to a sequence of lakes that filled the Altiplano basin during the Pleistocene.In the past, huge inland lakes—like the prehistoric Lake Minchin—covered the region. Lisa is a writer and traveller who left her nine-to-five in London for life on the road.

Tupiza, Bolivia

Some tours include an overnight stay near the salt flats, while others return to Uyuni the same day. Three- and four-day tours to the salt flats operate from here, and booking a guided tour is strongly recommended, as crossing the border independently can be challenging. When visiting the breathtaking salt flats, consider enhancing your experience by staying at a hotel made entirely of salt.
It is estimated to contain around 10 billion tonnes of salt! Salar de Uyuni sits at an altitude of 3,650 metres and covers a staggering 10,000 sq km. (There are no day buses for some reason.) Local buses can be booked on busbud.com.