The Geopark includes nine municipalities located in the western part of the State of Oaxaca, in the region of the Mixteca Alta, one of the most important cultural regions of Mexico. The total area of the Geopark is 415 km2.
Its landscape is the result of the interaction between nature, in particular geology, and society. The ancient land use has resulted in an impressive landscape where various forms of erosion allow visitors to understand the processes that shape the Earth's surface and have resulted in spectacular landfomrs of particular interest and beauty.
The cultural and natural heritage is evident in the landscape; archaeological sites, colonial churches and convents of the 16th century, as well as large areas of natural vegetation are combined with geology and landforms shaping unique landscapes.