When you are Exploring Salar de Uyuni on a multi-day tour, chances are that you will be visiting this nearby reserve. When these ancient bodies of water evaporated due to time they left behind a thick crust of salt and other minerals and this is what we now call Salar de Uyuni. 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. No special permission is required to enter the Uyuni salt flats. Towel and toiletries – these are not provided in standard tour salt hotels and refuges.
- Salar de Uyuni sits at an altitude of 3,650 metres and covers a staggering 10,000 sq km.
- It was part of a prehistoric salt lake, Lago Minchín, which once covered most of southwest Bolivia.
- Very few places on Earth bring together three simple elements—minerals, water, and light—in such a dramatic way.
- The savage beauty of this vast salt desert makes it one of South America’s most awe-inspiring spectacles.
- A hot spring area with geysers and steaming vents, offering a unique geological experience.
- Isla Incahuasi, also known as Cactus Island, is a small, rocky outcrop located in the middle of the Salar de Uyuni, the world’s largest salt flat, in Bolivia.
Laguna Colorada
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.
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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.
- When you are travelling to other neighbouring countries such as Chile or Peru, over land routes via San Pedro de Atacama and Puno are equally beautiful scenic routes as you go.
- The itinerary is similar to the standard 3-day tour, just in reverse, but this route is usually more expensive.
- 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.
- Most tours will visit the geysers at sunrise when the dawn light and rising steam combine to create an ethereal atmosphere.
- When Opera Exploring Salar de Uyuni and the natural wonders around it, it is one of the most photogenic places to visit.
- So, below are a few points to know before choosing a tour.
- Note also that Incahausi island is sometimes inaccessible during the rainy season.
Make sure you know what the weather will be like before you book a tour and therefore what the landscape will look like. Also make sure you know exactly what the tour you are booking includes in terms of duration, accommodation options, guide and itinerary. Even if you decide to book a tour on arrival in Uyuni, try to do a little research on the company you choose and check reviews. You’ll need a warm sleeping bag (tour companies provide these, often at an additional charge), and don’t forget to pack warm clothing. Daytime can often feel pleasantly warm in the sun, but after it sets temperatures can easily plummet to around -10°C. If you’re booking a budget tour, expect there to be an additional cost.
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.
During the rainy season (usually December–March), a thin layer of water spreads over the salt surface—sometimes just a few millimeters, sometimes a bit more. As you may have deduced by the name, the salt flats are near Uyuni in Bolivia, the starting point of most tours. The plateau includes fresh and saltwater lakes as well as salt flats and is endorheic. It leaves a permanent imprint on any traveler whether it is the glittering salt plains in the dry months or the fantastical reflections in the rainy seasons, this is a natural wonder which is unforgettable. Your trip starts with the small town of Uyuni that is the central point of the salt flat tours. Catch a local bus to Colchani (this is a stop on tours to visit a salt museum).
What will happen to Salar de Uyuni in the future? (Climate + human impact)
Solar de Manaña geysers are located at an altitude of more than 15,912 ft/ 4,850m. Make sure to charge your devices during this time. Note that to enter Reserva Nacional de Fauna Andina Eduardo Avaroa, you need to pay an entrance fee of Bs 150 (not included in the tour price). In reality, its deep red color comes from red sediments and the pigments of algae and microorganisms living in the lake. According to the local folklore, the water in Laguna Colorada is the blood of the Gods. It sits at an altitude of 14,000 ft/ 4,270 m in Eduardo Avaroa Andean Fauna National Reserve, close to the Chilean border.
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On our first tour in 2017, although it wasn’t windy at all, the lake had a greenish tint. In the morning, when most tours come to Laguna, you won’t see the emerald green color. Laguna Colorada, or the Red Lagoon, is a shallow salt lake home to thousands of flamingos. I don’t think this stop was included in tours eight years ago. Another salt flat close to the Chilean border, Salar de Chiguana is a little sister of Salar de Uyuni.
The visitors can see the panoramic views of the salt expanse making it appear to be infinite in all directions as seen on top of the mountain. Vast reserves of untapped lithium lie beneath the salt flat, and in the early 21st century the Bolivian government discussed options and feasibility for its extraction and production. This travel guide covers what to do, how to get there, where to stay, and useful tips from our experience. Yes, you can visit Salar de Uyuni independently without booking an organized tour.
Onward Travel ➡️
However, if you are travelling from La Paz (which is at a similar altitude) or Cusco (just 250 m spinmaya no deposit bonus code lower) then you will likely be fine as you should have acclimatised. For private tours expect to pay significantly more. These are shared tours with usually five or six people per jeep.
It’s an absolute must-visit if you’re exploring Bolivia and South America. It’s a vast expanse of salt stretching to the horizon. If you’re travelling from Peru, the easiest route is via Peru Hop to La Paz, followed by the overnight bus to Uyuni. The most popular starting point for exploring Salar de Uyuni is the town of Uyuni, especially for travellers coming from within Bolivia. December offers the most sunshine, with an average of 7 hours of sunlight per day. January is the hottest month in Uyuni, with an average temperature of 15 °C (59 °F), while July is the coldest, averaging 12 °C (54 °F).
Some people decide to skip Isla Incahuasi and just walk around it to save 30 Bs, but I think it’s money well spent. There’s a short walk to the top of the island, and the entry fee is 30 Bs (not included in the tour price). Except for two cacti-filled islands, Salar de Uyuni is completely flat, creating an endless horizon perfect for fun perspective shots. Salar de Uyuni is a paradise for photographers. This is the area where salt is dug up, piled into large pyramid-shaped mounds, and left to dry in the sun.
Warm clothes – the altitude is high, and it gets quite cold at night, and below zero in winter months (June to August). If you don’t like rain and prefer dry weather, visit between May and November. But keep in mind that even in this season, there is no guarantee you will see the reflective effect. Unfortunately, our tour didn’t take us right to the lagoon; we could only see it from far away. On 2025 tour, it was very windy, and Laguna Verde had a bright green color. So there is no guarantee the lake will be green when you come there.
Salar de Uyuni is the largest salt flat in the world, with an area of approximately 10,582 square kilometres (4,086 mi2). Sustainability has gained a critical concern as an increasing number of tourists head to Salar de Uyuni. When you are travelling to other neighbouring countries such as Chile or Peru, over land routes via San Pedro de Atacama and Puno are equally beautiful scenic routes as you go. The vast majority of the visitors arrive at Salar de Uyuni through the Bolivian capital, La Paz. According to many travelers it is one of the most intense stargazing moments of their existence.
Relax in the thermal waters of the Polques Hot Springs after exploring the salt flats. The Train Cemetery, also known as “Cementerio de Trenes,” is a significant tourist attraction near Uyuni, Bolivia, and within the Salar de Uyuni salt flats. For the adventurous, cycling or hiking across the salt flats is possible, but requires preparation and experience in arid environments. During the rainy season, water can fill parts of the salt flat, creating a stunning mirror-like effect. The salt flats are at 3,656 m.a.s.l. Some people can suffer from altitude sickness at this elevation.
