For the more information about the air resources of the National Park Service, please visit http://www.nature.nps.gov/air/.
Santa Ana National Wildlife Refuge
Santa Ana National Wildlife Refuge is a living museum of the lowland forested area of the Lower Rio Grande Valley. The refuge's jungle-like vegetation provides habitat for over 400 species of birds and about one half of all butterfly species found in the United States.
Location: Hidalgo County, TX
Year designated: 1966
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