• Sonoran Desert at Organ Pipe NM

    Organ Pipe Cactus

    National Monument Arizona

There are park alerts in effect.
show Alerts »
  • Phone System is Not Working

    Currently the park’s phone system is not functioning. Please email sue_walter@nps.gov with questions and request for information.

Where Edges Meet

Mysteries of Sonoran Desert life are slowly revealed and abundantly displayed at Organ Pipe Cactus National Monument. This International Biosphere Reserve, is an ecorich collection of plants and animals in a surprisingly diverse geological landscape. Scenic drives, wilderness hikes and camping can lead to unraveling the mysteries that await your discovery. 

Did You Know?

Night Blooming Cereus Cactus

Most of the year this night-blooming cereus cactus looks like ugly brown sticks, but for one night only the flower opens and smells like a rose. To see one bloom is one of the greatest treats in the Sonoran Desert