Alerts & Conditions



  • Alert 1 , Severity ,caution ,, Long Term Construction Projects Customs and Border Protection will be performing construction activities on existing infrastructure sites within Organ Pipe Cactus National Monument. Construction is anticipated to begin mid-February through August 2018.
  • Alert 2 , Severity ,caution ,, Trail work at Estes Canyon and Bull Pasture Date Posted: 3/1/2018 Trail crews will be working on the Estes Canyon and Bull Pasture trails intermittently between March 7 and April 14, 2018. Your recreation fee revenues are hard at work to improve water bars, steps, and trail tread surface on these popular trails.

Last updated: March 23, 2016

Contact the Park

Mailing Address:

10 Organ Pipe Drive
Ajo, AZ 85321


(520) 387-6849 x7302

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