La Portada Monument

La Portada Monument

La Portada Monument is the emblem of the region and the city of Antofagasta. It is a beautiful geological arch declared Natural Monument in 1990.

It was once the bottom of the ocean, more than 30 million years ago, and sedimentary rocks alternating with thick layers of fossil shells were formed.

Monumento La Portada

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Astrotourism Chile