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Established 1937

Organ Pipe Cactus National Monument showcases the landscape and biodiversity of the Sonoran Desert. The monument exhibits an extraordinary collection of plants of the Sonoran Desert, including the organ pipe cactus, a large cactus found only in the vicinity of the monument. in the United States. Recognizing the area as a significant portion of the Sonoran Desert ecosystem, the United Nations designated the monument as an International Biosphere Reserve in 1976, making conservation and scientific research one of its top priorities.

Follow the links below, then visit the park's website to learn more about Organ Pipe National Monument.

Sonoran Desert Parks
Organ Pipe Cactus National Monument
Bat research at Organ Pipe
Hero of the Sonoran Desert