Entrance - Private Vehicle
$25.00Valid for 7 days. This fee includes all occupants of a non-commercial vehicle.
AZ
Organ Pipe Cactus National Monument
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Organ Pipe Cactus at a glance
- Best time
- March–May, October–November
- Trip length
- 2–3 days
- Don't miss
- Hike the Historic Old County Road!
- Nearby city
- Ajo, AZ
Explore this park
About Organ Pipe Cactus National Monument
Look closely. Look again. The sights and sounds of Organ Pipe Cactus National Monument, an International Biosphere Reserve, reveal a thriving community of plants and animals. Human stories echo throughout the Sonoran Desert, chronicling thousands of years of desert living. A wilderness hike, a scenic drive, or a night of camping will expose you to a living desert abounding with hidden life.
4 current NPS alerts
- Information: Potential Delays Due to Area Construction
- Park Closure: Temporary Road Closures in Effect
- Caution: Feral Dogs May Be Seen in Organ Pipe Cactus National Monument
- +1 more in the Alerts tab
Source: National Park Service (as of Oct 30, 2026). Official Organ Pipe Cactus National Monument page on nps.gov
Weather Information
- Summer
months are hot, with temperatures exceeding 100F during the day and night-time temperatures in the high 70's.
- Winter
months are milder, with temperatures in the 70s during the day and 30's to 40's in the evening.
Entrance Fees
Entrance - Motorcycle
$20.00Valid for 7 days. Admits up to 2 private, non-commercial motorcycles with up to 4 total passengers.
Entrance - Per Person
$15.00Valid for 7 days. This fee applies to bicycles and walk-ins (per person)
Operating Hours
The monument is open 365 days a year and park roads and trails are open 24 hours. There is no gate at the monument entrance; entrance fees are paid for at the visitor center. There is no dispersed camping allowed anywhere in the monument. US-Mexico Border hours are 6 am-8 pm. The main season for visitors is December through the end of April, during the mild winter months and wildflower season. Campgrounds may fill during this time; check Recreation.gov for campsite availability.
- MondayAll Day
- TuesdayAll Day
- WednesdayAll Day
- ThursdayAll Day
- FridayAll Day
- SaturdayAll Day
- SundayAll Day
Entrance Passes
Annual Entrance - Park
$45.00This pass is valid for Organ Pipe Cactus National Monument for one year from the month of purchase. The pass admits all passengers in a private vehicle and is non-transferable.
Annual Entrance - Park
$45.00This pass is valid for Organ Pipe Cactus National Monument for one year from the month of purchase. The pass admits all passengers in a private vehicle and is non-transferable.
Common questions
Planning Organ Pipe Cactus National Monument
The summary above covers timing and highlights. These go deeper on reservations, crowds, and logistics — check Alerts for live updates.
Reservation rules vary by season and activity for Organ Pipe Cactus. See Overview on this page for fees, timed entry, and campground details before you travel.
