Southern Mexico, Chiapas, Sumidero Canyon, Xibalbá Uprising.

For millions of years, the Grijalva River carved the Cañon del Sumidero down one 1,000 meters deep and is now one of the most important tourist attractions in the southern state of Chiapas in Mexico.

We have been living in San Cristobal de las Casas for a few years now, which is only about one hour from the canyon. Our dream was to open a new and completely free climbing route through the central and highest part of this natural wonder. From the Grijalva River to the top the wall is approximately eight hundred and 850 and splits into two parts: the steep ascent through jungle with a few moderate rock pitches and the main headwall. We began working on this line from the ground up in June 2018 but after about 550 meters of climbing, we decided to retreat because it got very dangerous. We encountered a lot of really big loose rocks and to continue would have been life threatening.

Exactly one year later, we came back and becaus...

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