Diamond Head State Monument


  • Diamond Head State Monument on Oahu, a volcanic tuff cone, emerged around 300,000 years ago, featuring a distinctive circular crater.
  • The iconic hike to the summit takes visitors through historic tunnels and bunkers, offering panoramic views of Honolulu, Waikiki, and the Pacific Ocean.
  • Built in the early 1900s, bunkers and observation stations at Diamond Head showcase its role in Oahu's military history.

Step into the extraordinary world of Diamond Head State Monument, an immersive experience on the radiant island of Oahu, Hawaii, where geological wonders, outdoor adventures, and historical treasures converge to create an unforgettable journey for every visitor.

Geological Marvels and Historical Intrigues

Diamond Head, known as "Leahi" in Hawaiian, stands as a testament to the island's volcanic origins, with its volcanic tuff cone formation dating back nearly 300,000 years. The name "Diamond Head" adds an element of mystery, a moniker bestowed by British sailors in the 19th century who, enchanted by calcite crystals, mistook them for diamonds. This misinterpretation only adds to the allure of this iconic landmark.

The Iconic Hike to the Summit

The jewel in Diamond Head's crown is undoubtedly the iconic hike to the summit, offering a journey through time and terrain. The trail winds through tunnels and bunkers constructed in the early 1900s, part of Oahu's coastal defense system. As you ascend, panoramic views unfold, revealing the sprawling landscapes from Honolulu to Waikiki, with the vast expanse of the Pacific Ocean stretching beyond.

The moderately challenging trek culminates at the summit, where the historic Fire Control Station stands proudly, a silent witness to the island's military legacy. This breathtaking vantage point provides an ideal setting for capturing the beauty of Oahu, making the hike a must-do for both adventure seekers and photography enthusiasts.

Visitor Facilities and Educational Offerings

To enhance your experience, Diamond Head State Monument provides visitor facilities, including an informative visitor center. Here, you can delve into educational programs and guided tours that unravel the mysteries of the crater's history, geology, and ecology. Gain deeper insights into the forces that shaped this geological wonder and the cultural significance embedded in its slopes.

Tips for Visitors

  1. Hiking Essentials: Wear comfortable hiking shoes, bring plenty of water, and consider a hat and sunscreen for sun protection.
  2. Trail Information: The trail to the summit is approximately 1.6 miles round trip. While it's moderately challenging, the stunning views make every step worthwhile.
  3. Visitor Center Hours: Check the visitor center's operating hours for the latest information on educational programs and guided tours.
  4. Conservation Awareness: Be mindful of the delicate ecosystem; stay on designated trails and respect the natural surroundings.
  5. Weather Considerations: Hawaii's weather can be unpredictable. It's advisable to check the weather forecast before your visit.

Preserving Nature and Culture

Beyond its geological and historical significance, Diamond Head serves as a sanctuary for biodiversity. Efforts are ongoing to preserve and protect the natural and cultural resources within the monument, ensuring that future generations can continue to explore and appreciate this captivating destination.

Diamond Head State Monument isn't just a destination; it's a living story waiting to be uncovered. Come, immerse yourself in the magic, and let this iconic landmark be the highlight of your Hawaiian adventure.

Diamond Head Rd
Honolulu, HI 96815
(800) 464-2924





ADA Accessible

Food (Concession)

Gift Shop

Picnic Pavilion

Picnic Tables


Water Fountain




Hawaii Residents = Free w/Hawaii ID or DL

Non-Hawaii Residents = $5

Children 3 and under = Free

Non-Commercial Vehicles

Resident = No Charge with ID

Non-Resident = $10 Per Vehicle

Commercial vehicles fees:

1-7 Passenger Vehicles = $25

8-25 Passenger Vehicles = $50

26+ Passenger Vehicles = $90