For the more information about the air resources of the National Park Service, please visit http://www.nature.nps.gov/air/.
Enchanted Rock, located within Enchanted Rock State Natural Area, is one of the largest rock mountains in the United States. It is a classic illustration of a batholith and of the exfoliation process. The coarse-grained pink granite is massive and uniform in composition and texture, and is some of the oldest igneous rock known in North America.
Year designated: 1971
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Please remember, National Natural Landmarks (NNLs) are not national parks. NNL status does not indicate public ownership, and many sites are not open for visitation.
Last Updated: June 28, 2012