Cross the world’s largest salt flat and the otherworldly highlands of Eduardo Avaroa in a three-day high-altitude circuit. Expect geysers, flamingo-studded lagoons, petrified coral, and volcanic panoramas — with practical tips for altitude and weather.
Cross the world’s largest salt flat and the otherworldly highlands of Eduardo Avaroa in a three-day high-altitude circuit. Expect geysers, flamingo-studded lagoons, petrified coral, and volcanic panoramas — with practical tips for altitude and weather.
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Operated by Mega Expeditions · Uyuni, Potosí Department
You step out before dawn and the salt throws back a hard, white light — the horizon a razor where sky meets uninterrupted crust. The first day unfolds slowly: the iron skeletons of the train cemetery, the compacted salt workshops at Colchani, and then Incahuasi Island where giant cacti rise from petrified coral like time-stopped sentries. The wind has a voice here; it pushes across the plain and dares you to look farther.
moderate.
3 days.
Moderate fitness recommended — able to handle long vehicle days, short hikes at high altitude, and basic overland conditions.
Many travelers feel mild symptoms above 3,500 m; acclimatize in Uyuni, hydrate, avoid alcohol, and consider acetazolamide after consulting a physician.
Basic shared hostels and family accommodations with mixed dorms and simple amenities are standard; expect hot meals included according to the itinerary.
Facilities are limited and often basic; crews typically provide planned stops but bring your own supplies for comfort.
Hikes are short to moderate but at high elevation; no technical climbing required, though footing can be uneven on island trails and desert scree.
The salt flats and surrounding basins are remnants of prehistoric Lake Minchin and later Lake Tauca; regional trade and salt extraction have long shaped local Aymara communities.
The Eduardo Avaroa Reserve is protected for its unique high-Andean ecosystems; visitors should stick to marked paths, avoid disturbing flamingo breeding areas, and minimize waste to protect fragile soils and water sources.
Mega Expeditions operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




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