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Organ Pipe Cactus National Monument
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Organ Pipe Cactus

National Monument

Location & Access:
Located near Ajo, Arizona, the monument is accessible via Arizona State Route 85. Visitors should check for border crossing requirements due to proximity to Mexico.


Natural Features:
The monument is characterized by the presence of organ pipe cacti, a species rare in the United States. The landscape includes desert plains and volcanic formations.


Wildlife & Plants:
The area supports a variety of desert flora and fauna, including saguaro cacti, ocotillo, and various wildlife species adapted to arid conditions.


Cultural & Historical Significance:
The monument preserves the cultural heritage of indigenous peoples and the history of early settlers in the region.


Recreation & Visitor Information:
Visitors can explore the monument through scenic drives, hiking trails, and camping opportunities. The visitor center offers exhibits and information.


Conservation & Management:
Managed by the National Park Service, the monument focuses on preserving its unique ecosystems and cultural resources.

  • Location: Pima County, Arizona, USA

  • Nearest City: Ajo, AZ

  • Size: ~330,690 acres

  • Established: April 13, 1937

  • Managed by: U.S. National Park Service

  • Website: www.nps.gov/orpi

  • Visitation: ~260,000 visitors annually

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