Diamond Head State Monument

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Last Updated: December 7, 2025

Diamond Head State Monument is a popular tourist destination located in the state of Hawaii.


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Summary

The monument is known for its unique geological formation, which resembles the shape of a diamond.

There are several reasons to visit Diamond Head State Monument. Visitors can enjoy breathtaking views of the Pacific Ocean, the Honolulu skyline, and Waikiki Beach. Additionally, the monument offers a variety of hiking trails, ranging from easy to strenuous, that lead to the summit of Diamond Head.

Some of the points of interest to see at Diamond Head State Monument include the Diamond Head Crater, which was formed over 300,000 years ago, and the historic military bunkers that were used during World War II. Visitors can also explore the Diamond Head Lighthouse, which was built in 1917 and is still in use today.

Interesting facts about Diamond Head State Monument include that the park covers over 475 acres of land and is home to a variety of plant and animal species, including the Hawaiian hawk and the Hawaiian hoary bat. The monument also has a rich cultural history, as it was once used as a sacred site by Native Hawaiians.

The best time of year to visit Diamond Head State Monument is during the winter months, from December to February, when temperatures are cooler and there is less rainfall. However, the monument is open year-round and can be visited at any time.

Overall, Diamond Head State Monument is a must-see destination for visitors to Hawaii, offering stunning natural beauty, historic landmarks, and unique geological features.

       

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Park & Land Designation Reference

National Park
Large protected natural areas managed by the federal government to preserve significant landscapes, ecosystems, and cultural resources; recreation is allowed but conservation is the priority.
State Park
Public natural or recreational areas managed by a state government, typically smaller than national parks and focused on regional natural features, recreation, and education.
Local Park
Community-level parks managed by cities or counties, emphasizing recreation, playgrounds, sports, and green space close to populated areas.
Wilderness Area
The highest level of land protection in the U.S.; designated areas where nature is left essentially untouched, with no roads, structures, or motorized access permitted.
National Recreation Area
Areas set aside primarily for outdoor recreation (boating, hiking, fishing), often around reservoirs, rivers, or scenic landscapes; may allow more development.
National Conservation Area (BLM)
BLM-managed areas with special ecological, cultural, or scientific value; more protection than typical BLM land but less strict than Wilderness Areas.
State Forest
State-managed forests focused on habitat, watershed, recreation, and sustainable timber harvest.
National Forest
Federally managed lands focused on multiple use—recreation, wildlife habitat, watershed protection, and resource extraction (like timber)—unlike the stricter protections of national parks.
Wilderness
A protected area set aside to conserve specific resources—such as wildlife, habitats, or scientific features—with regulations varying widely depending on the managing agency and purpose.
Bureau of Land Management (BLM) Land
Vast federal lands managed for mixed use—recreation, grazing, mining, conservation—with fewer restrictions than national parks or forests.
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