Cuexcomate: A Dead Volcano You Can Climb Into

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Located in the neighborhood of La Libertad, in the city of Puebla, Mexico, the sinter cone deposit of Cuexcomate has been mistakenly described as the “smallest volcano in the world” by the local population for centuries. It really is only an extinguished geyser, or perhaps a mud volcano (Cuexcomate is a Nahautl word for “mud pot”) believed to have formed by the bursts of magma and sulfuric water during the 1064 eruption of Popocatépetl, an active volcano and the second highest peak in Mexico. The volcanic eruption had likely activated geothermal spring circulation that burst through the Mesozoic limestone layers and deposited calcite and silicate compounds creating an enormous heap 43 feet tall and 75 feet across that looks very much like the cone of a small volcano.

The sinter cone is hollow and there is a 23-feet-wide opening at the top, through which a spiraling metal staircase was installed allowing tourists to descend into the excavated interior of the structure.


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A plaque outside the cone, installed in 1970, carries a quote from an observer from 1585 describing Cuexcomate as “a very large rock crag standing alone, six or seven states tall, with circular form, in whose summit there is a great mouth, as if it was made to hold a well. It is very deep, and at the bottom there is foul-smelling water.”

The plaque also suggests that the cone once served as a site for human sacrifices to indigenous gods and later as a dumping ground for bodies of suicide victims because the locals felt that they did not deserve to be mourned or buried. Perhaps because of these horrors, the people living around the geyser were sometimes referred to as “children’s of the devil’s navel”.

Once the only landmark in the area, Cuexcomate is now surrounded by urban development, but is still a popular tourist attraction in Puebla.


Photo credit: hectorio/Flickr


Photo credit: Jesús Dehesa/Flickr


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Photo credit: Renato Ornelas/Panoramio


Photo credit: Antoine 49/Flickr


Photo credit: Antoine 49/Flickr


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Photo credit: Sergio Arce G/Panoramio

Sources: Wikipedia / /

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