- State: AZ
- NPCA Region: Southwest
- Est. Date: 1937
Issues
This section of the Sonoran Desert near the border between Arizona and Mexico features massive cacti, colorful birds and rock arches. An International Biosphere Reserve and a federally designated wilderness area, this park preserves the only large concentration of organ pipe cacti in the country, as well as hundreds of other native plant species, such as saguaro, cholla, mesquite and palo verde trees, and ocotillo. Hike on the park's nine scenic trails or take a drive on the 21-mile Ajo Mountain Drive to experience the vibrant desert landscape.
More about Organ Pipe Cactus
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Advocacy in Action Don't Divide Our Habitats, Ecosystems and Communities Oppose new walls and fencing along the U.S.-Mexico border.
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Press Release Already Short-Staffed Park Service Asked to Support Border Patrol Security This decision could have serious consequences for national parks already struggling with a reduction in staff.
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Magazine Article A Land Divided How would a border wall affect national parks?
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Policy Update Position on Funding the Border Wall NPCA submitted the following position to the Senate ahead of votes scheduled for February 15, 2018.
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Trip Sonoran Desert Mystique The Sonoran Desert holds mesmerizing contrasts—driven by the most interesting paradox of all: The Sonoran is our hottest North American desert, while it is also our wettest. Light but consistent rains in winter and spring foster more diversity than in perhaps any other desert in the world, from cactus to cottonwoods to cougars.
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Blog Post Winter Rains Bring Blooms to Organ Pipe Once dubbed the most dangerous park in the country, these wild Arizona lands are fully reopened, noticeably restored and full of botanic wonders.
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Blog Post 9 Wildlife Success Stories National parks provide critical habitat for a variety of animals—in some cases, they are the only places that threatened or endangered species have left to call home. If those species disappear from a part of the country, parks can play an important role in bringing them back. Here are nine animals that have been reintroduced to their native habitats in national parks.
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Magazine Article Pipe Dreams Head to Southern Arizona to Discover Organ Pipe Cactus National Monument.
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Magazine Article Unusual Suspects What triggered the fall of Organ Pipe’s acuña cactus?
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