Natural and cultural resources are protected by law.
Organ Pipe Cactus National Monument - set aside by Congress to protect the fragile Sonoran Desert.
Map of Organ Pipe Cactus National Monument on the southwest Arizona border. The Tohono O'Odham Indian Nation lies to the right of Monument and the Cabeza Prieta National Wildlife Refuge lies to the left.
(See detailed map).
No water. Extreme conditions.
Organ Pipe Cactus National Monument - an internationally recognized biosphere reserve.
The Monument's south perimeter lies directly on the U.S.-Mexico border.
See Organ Pipe National Monument invasion pictures:
Set 1 - invasion
Set 2 - overview
Set 3 - along the border
Set 4 - most dangerous park
Set 5 - Kris Eggle - in memoriam
Read informative article excerpts about Organ Pipe National Monument.
See Monument area information.