For the more information about the air resources of the National Park Service, please visit http://www.nature.nps.gov/air/.
Imperial Sand Hills
Imperial Sand Hills is one of the largest dune patches in the United States. It is an outstanding example of dune geology and ecology in an arid land.
Location: Imperial County, CA
Year designated: 1966
Ownership: Federal, Private
For additional information see:
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