For the more information about the air resources of the National Park Service, please visit http://www.nature.nps.gov/air/.
Miramar Mounds contains unique soil features called "mima mounds," which are found in only three or four locations in the country. The site also contains rare vernal pools that are found only in California.
Location: San Diego County, CA
Year designated: 1972
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