• Sonoran Desert at Organ Pipe NM

    Organ Pipe Cactus

    National Monument Arizona

There are park alerts in effect.
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  • Increased Fire Restrictions, Effective June 5 Until Further Notice

    Due to increase fire danger and dry conditions, all fires (charcoal, coal, and wood) are prohibited. Cook stoves and lanterns are still allowed. Smoking is limited to enclosed vehicles.

ORPI Ecological Monitoring Report

ORPI EMR

The Organ Pipe Cactus National Monument Ecological Monitoring Report (1997-2005) is the most comprehensive report available on the natural resources of Organ Pipe Cactus National Monument.

Below you will find links to the entire document by chapters. Enjoy!!!

 

Did You Know?

Kangaroo Rat

Kangaroo Rats are masters at desert survival. They get all the moisture they need from the seeds and plants they eat and don't need to drink any water. Their kidneys are so powerful at recycling the moisture they do get from plants and seeds, they have been known to urinate crystals. More...