Unexpected Places: Where the sky has no horizon

Oriva Editorial

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Salar Uyuni, Bolivia 🇧🇴

Unexpected Places: Where the sky has no horizon

Sep 27, 2026

Salar de Uyuni is the world’s largest salt flat, stretching across roughly 10,500 square kilometres high in Bolivia’s Altiplano. For most of the year, it is an immense white landscape marked by natural hexagonal patterns in the salt crust. But during the rainy season, a thin layer of water can spread across the surface and turn the entire landscape into a giant reflection of the sky. The result is one of those rare places where the boundary between ground and sky almost disappears. There are two very different ways to experience Uyuni: the dry season brings the geometric salt formations and easier access, while the wetter months offer the famous mirror effect.

Pass it on

Best time

Go roughly December–April if the mirror effect is what you want; January–March generally offers the strongest chance.

Worth knowing

The Salar sits at around 3,650 metres above sea level, so altitude is part of the experience.

What surprised me

The surface is extraordinarily flat — its elevation varies by less than a metre across the enormous salar.