Where is Organ Pipe Cactus National Monument,Ajo, Arizona?

Written by | Last Updated: November 19, 2025, 12:28 PM ET

Organ Pipe Cactus National Monument is located in Arizona, USA. It lies between Ajo and the U.S.-Mexico border and is situated in the Sonoran Desert. It is famous for its unique organ pipe cacti, desert landscapes, and hiking trails.

Organ Pipe Cactus National Monument Location Map,Ajo, Arizona

Top Attractions Inside Organ Pipe Cactus National Monument

  • Organ Pipe Cactus Scenic Drive – Main route showcasing iconic cacti, desert landscapes, and wildlife.
  • Desert Trails – Hiking paths like the Puerto Blanco Drive and Estes Canyon Trail through rugged desert terrain.
  • Arch Canyon – Scenic canyon with hiking opportunities and views of natural rock formations.
  • Senita Basin Trail – Trail offering close encounters with rare senita and organ pipe cacti.
  • Wildlife Observation – Spot desert species including Gila monsters, bighorn sheep, and roadrunners.
  • Visitor Center & Exhibits – Educational displays about desert ecology, geology, and Native American history.
  • Picnic & Rest Areas – Designated spots for relaxation amid the desert scenery.

Organ Pipe Cactus National Monument Facts

Official NameOlympic Coast National Marine Sanctuary
LocationPort Angeles, Clallam County, Washington, USA — Pacific Ocean coastline / Olympic Peninsula
Latitude & Longitude47.9800° N, 124.6200° W
Total AreaApproximately 3,188 square miles (8,253 km²) — offshore waters, coastal estuaries, tideflats, and nearshore habitats
Established / OpenedNovember 16, 1994
Managed ByNational Oceanic and Atmospheric Administration (NOAA) / Office of National Marine Sanctuaries
RegionPacific Northwest / Olympic Peninsula Coast, Washington State
Address115 East Railroad Avenue, Port Angeles, WA 98362, USA
Zip Code98362
Area Code360
CurrencyUnited States Dollar (USD, $)
Time ZonePacific Time (PT) – UTC−8 Standard / UTC−7 Daylight Saving
Theme / ConceptMarine conservation, coastal ecosystems, wildlife habitat protection, ocean research, recreational and educational opportunities
Main Sections / AreasNearshore rocky reefs, tideflats, kelp forests, offshore waters, estuaries, Olympic Peninsula coastal zones
Famous AttractionsMarine wildlife observation (whales, seals, seabirds), tidepool exploration, coastal hiking, kayaking, boating, educational programs
Annual VisitorsApprox. 200,000–300,000 visitors (varies by recreational access and research activities)
Entry Fee TypeFree public access; some guided tours, boat rentals, and educational programs require fees
Ticket Price RangeGuided tours / educational programs: ~$10–$50 per person; boat rentals vary
Ticket OptionsGuided marine tours, kayaking excursions, educational programs, tidepooling activities, recreational permits
Best Time to VisitMay–September for mild weather and outdoor marine recreation; winter for storm-watching and wildlife observation
Nearby AirportWilliam R. Fairchild International Airport (CLM) – ~3 miles (5 km)
TransportationCar, taxi, rideshare, boat access for marine tours, hiking trails along coast, kayaking and recreational boating
Official Websitehttps://olympiccoast.noaa.gov/

Distances from Organ Pipe Cactus National Monument to Nearby Landmarks

  • Puerto Blanco Drive – 2 km (1.2 mi)
  • Senita Basin – 5 km (3.1 mi)
  • Alamo Canyon – 10 km (6.2 mi)
  • Quitobaquito Springs – 20 km (12.4 mi)
  • Armenta Tank – 8 km (5 mi)
  • Valle de Las Arenas – 12 km (7.5 mi)
  • Esperanza Canyon – 15 km (9.3 mi)
  • Birding Trails – 6 km (3.7 mi)
  • Arizona-Sonora Desert Museum – 180 km (111.8 mi)
  • Yuma, AZ – 200 km (124.3 mi)
  • Tucson, AZ – 240 km (149.1 mi)
  • Sonoyta, Mexico – 50 km (31 mi)
  • Mariposa Grove – 18 km (11.2 mi)
  • Wilderness Loop Road – 10 km (6.2 mi)
  • New Well Trail – 5 km (3.1 mi)
  • Puerto Blanco Visitor Center – 0 km (0 mi)
  • Arch Canyon – 14 km (8.7 mi)
  • Senita Basin Overlook – 7 km (4.3 mi)
  • Red Tank Wash – 20 km (12.4 mi)
  • Black Hills – 25 km (15.5 mi)