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Today they create an eerie environment and stand as a testament to the corrosive power of salt! The first stop on most tours is the Train Graveyard (El Cementerio de Trenes) on the dusty outskirts of Uyuni. The deserted plain is the perfect canvas for taking perspective photographs and when covered in a layer of water it becomes the world’s largest mirror, which makes for stunning reflective images. Sense of distance and perspective become skewed as the salty surface goes on mile after endless mile. As the water evaporated the salt crystalised and formed a crust, which is up to 10 m thick in some places. There are tours that run directly from the Chilean town of San Pedro de Atacama, which is close to the Bolivian border.

Formation and Significance of Salar de Uyuni.

If travelling to Uyuni by bus you will arrive early in the morning (around 6 or 7 am) and most tours begin at around 10 am, giving you time to scout around for a tour you like. During this time the salt is covered by a layer of water that provides a dramatic mirror effect and creates unique conditions for fabulous photos. At this time of year you will enjoy the quintessential views of the salt flats, with vast expanses of white landscape extending to the horizon.

Options for Exploring Salar de Uyuni without a Tour

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.

Day 2 – Heading south to Laguna Colorada

It’s a vast expanse of salt stretching to the horizon.
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.
This spectacular salt flat that covers an area of 10,000 square kilometers is not only the largest in the world, but also one of the most astounding natural marvels in the earth.
The night sky is bright with stars, constellations, and even Milky Way which is perfectly reflected on the mirror-like surface with minimal light pollution and high altitude (wet season).
A rain jacket if you go during the wet season.
There are tours that run directly from the Chilean town of San Pedro de Atacama, which is close to the Bolivian border.

Salar de Uyuni spreads over 10,582 km2, which is roughly 100 times the size of the Bonneville Salt Flats in the United States. The youngest prehistoric lake was Coipasa, which was radiocarbon dated to 11,500 to 13,400 years ago. Some 30,000 to 42,000 years ago, the area was part of a giant prehistoric lake, Lake Minchin.

This is the area where salt is dug up, piled into large pyramid-shaped mounds, and left to dry in the sun.
And the views of the salt flats from up there are absolutely incredible.
You may also observe how the salt is extracted, processed and rolled into souvenirs, which is an ideal method of helping communities locally.
It is possible to visit the salt flats independently and while I was there I saw people camping with bikes!
High altitude → thin air → less scatteringWhite salt → strong reflectionFlat surface → no curvature effects

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 spinmaya no deposit bonus code 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. English-speaking guides aren’t standard so check with the tour company if one is included. Unless you’re confident in your Spanish skills, you’ll likely get more out of a tour with a guide who speaks English. There was so much more to see than I expected and the locations on days two and three were far less crowded because there were no daytrippers at these sites. Salar de Uyuni is by far the jewel of South America to those travelers who want awe-inspiring beauty and mystery and to have an adventure that they will remember. On its shores are saltworks at Salinas de Garci Mendoza on the north, Llica on the northwest, and Calcha on the south. I only recommend services I’ve either personally used, thoroughly researched, or consider reliable based on reputation and reviews. This is the most popular itinerary and absolutely worth your time and money. Toys, bottles, etc, to take fun perspective photos. Drinking water and drinks are more expensive than in the town of Uyuni.

Tips for Visiting Salar de Uyuni 🤓

The island is a remnant of an ancient volcanic formation and was once part of a prehistoric lake. It's a unique landscape featuring giant cacti, some reaching over 10 meters tall, thriving amidst the harsh, salty environment. The salt crusts and brine pools support a rich diversity of microbial communities, including halophilic archaea and bacteria that have adapted to the high salinity and other extreme conditions. The Salar de Uyuni is characterised by high salinity, low humidity, and a significant altitude, creating a challenging environment for most life forms. The savage beauty of this vast salt desert makes it one of South America's most awe-inspiring spectacles.

Polques Hot Springs

Now one of the key stops on Salar de Uyuni tours, it’s become something of a tourist trap. The area was once covered by a huge saltwater lake, which dried up some 30,000–40,000 years ago. The focal point of any Salar de Uyuni tour is, of course, the world’s largest salt flat. Known locally as Salar de Uyuni, the salt flats are part of the Altiplano, a vast plateau that extends for 965 km from southern Peru to the southwestern corner of Bolivia. As the largest salt flat on Earth, the Salar de Uyuni is widely regarded as one of the most effective natural calibration sites for Earth-observing satellites. Multiple fatal incidents have occurred at the salt flat as a result of poorly maintained vehicles, untrained drivers, speeding, a disregard for the inhospitable conditions, and lack of regulation for tour companies. The night sky is bright with stars, constellations, and even Milky Way which is perfectly reflected on the mirror-like surface with minimal light pollution and high altitude (wet season). There are reputable travel firms such as Gokite Oman which may help to organize well-curated tours with local Bolivian firms. When Opera Exploring Salar de Uyuni and the natural wonders around it, it is one of the most photogenic places to visit. Its unusual shape was formed over time by strong winds eroding the sandstone. They appear as small, pinkish spots in the photo below. On our 2025 tour, the sunset was included in the itinerary, and we had wine and snacks while watching the sunset. There are usually fewer tourists and no entry fee. The island is full of giant cacti, it’s awesome seeing them up close. 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. Epic Guides provide inspiration and first-person stories for a lifetime of unforgettable travel experiences. A dried lake becomes a salt desert.A salt desert becomes a mirror.And a mirror becomes a global symbol of surreal natural beauty. High altitude → thin air → less scatteringWhite salt → strong reflectionFlat surface → no curvature effects It’s basically a natural self-leveling surface. Over time, as climate changed, these lakes expanded during wet periods and shrank dramatically during dry ones. For photographers, scientists, engineers, and travelers, Salar de Uyuni is a place where nature behaves almost unreal. What we see today as a white desert is the long-term memory of ancient lakes, evaporation cycles, mineral precipitation, and climate shifts. Today, she spends her time solo backpacking, navigating through life and unfamiliar streets. 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. On both tours our drivers found spots with no one else around and brought dinosaur toys and wine bottles to use in the shots. The Dakar monument is made of salt, and the flags were left by travelers during their visits. It’s located near the Argentine border and a bit farther from the Uyuni salt flats. In Uyuni, there are plenty of travel agencies offering Salar de Uyuni tours. Unfortunately, standard 2-day tours don’t include these highlights.