The dominant features at los Guachimontones are circular stepped pyramids in the middle of circular building complexes. The 60-foot (18 m) tall pyramid at Circle 2 has 13 high steps leading to an upper level, which was then topped with another 4 high steps. A post hole was located at the very highest level, most likely for volador ceremonies. The pyramids may also have supported small temples.
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The site has a total of 10 circular complexes, four rectangular plazas, two ballcourts.
UNESCO has added the whole region, including the nearby tequila distilleries, to its World Heritage List. Due to heavy looting, the site was also included on the 2008 World Monuments Watch list of 100 Most Endangered Sites.