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Organ Pipe Cactus National Monument

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Organ Pipe Cactus National Monument, Biosphere reserve and national monument in Western Arizona, United States

Description

Organ Pipe Cactus National Monument protects over 520 square miles of Sonoran Desert in southwestern Arizona, home to many cactus species and wildlife. The area features a network of hiking trails and campgrounds that allow visitors to explore the desert landscape firsthand.

History

Arizona's legislature donated the land to the federal government during Prohibition, and it became a national monument in 1937. This designation protected this unique desert area from commercial development and preserved it for future generations.

Culture

The land borders the Tohono O'odham Reservation and reflects centuries of indigenous presence through archaeological remains and traditional routes. Visitors walking these paths can sense the deep connection between the landscape and its original inhabitants.

Practical

Access is via Puerto Blanco Drive from State Route 85, with clearly marked trails for different fitness levels. Visitors should bring plenty of water and sun protection, as desert sun is intense.

Did you know?

It is the only place in the United States where senita and organ pipe cacti grow together in their natural desert setting. This rare combination makes the area botanically significant and especially interesting for cactus researchers.

Location
Inception
April 13, 1937
Operator
National Park Service
Part of
Western Arizona
Shares border with
Ajo
GPS coordinates
31.95400,-112.80095
Latest update
December 20, 2025 13:17

AroundUs brings together thousands of curated places, local tips, and hidden gems, enriched daily by 60,000 contributors worldwide. Discover all places nearby (Pima County).

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« Organ Pipe Cactus National Monument - Biosphere reserve and national monument in Western Arizona, United States » is provided by Around Us (aroundus.com). Images and texts are derived from Wikimedia project under a Creative Commons license. You are allowed to copy, distribute, and modify copies of this page, under the conditions set by the license, as long as this note is clearly visible.

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