Jornada Biosphere Reserve, Biosphere reserve in southern New Mexico, United States.

Jornada Biosphere Reserve is a protected area in southern New Mexico that extends from the San Andres Mountains across shrub woodlands to semi-desert grasslands. The landscape combines varied terrain types, mixing typical desert habitats with open grass areas.

President William H. Taft established the reserve in 1912 through an executive order for managing federal lands. The original designation emphasized its focus on rangeland management and land conservation.

The site functions as a working research center where scientists study desert ecosystems and climate impacts. Visitors can observe how scientific work shapes understanding of these fragile landscapes.

Access is restricted and visitors need permits from site managers before entering. Plan ahead and check current access rules since research activities may limit visitor availability.

The reserve's research is run from a 29,000-square-foot laboratory and office building on the campus of New Mexico State University, not inside the reserve itself. The Jornada was among the first Long Term Ecological Research sites, named in 1982, and became a relocatable site in the National Ecological Observatory Network in 2012.