Diamond Head, known locally as Lēʻahi, is a famous volcanic tuff cone on the island of Oahu, near Honolulu. Its iconic profile dominates the skyline above Waikiki and is one of Hawaii’s most visited natural landmarks. Diamond Head is known for its hiking trails, panoramic views of the Pacific Ocean, and its rich geological and cultural history.

Diamond Head formed around 300,000 years ago during a brief volcanic eruption. Its strategic location overlooking Honolulu led to its use as a military lookout and artillery base in the early 20th century. Today, it is preserved as Diamond Head State Monument, attracting thousands of hikers and sightseers annually.

Interesting Facts
1. The summit of Diamond Head stands 232 meters (761 feet) above sea level.
2. The crater is approximately 3.5 kilometers (2.2 miles) in circumference.
3. British sailors named it “Diamond Head” after mistaking calcite crystals for diamonds.
4. Trails to the top include steep staircases, tunnels, and switchbacks.
5. Diamond Head offers spectacular views of Waikiki, Honolulu, and the surrounding coastline.
6. The site is a popular location for sunrise and sunset hikes.

Visiting Tips
1. Begin your hike early in the morning to avoid crowds and heat.
2. Wear sturdy shoes suitable for rocky and uneven trails.
3. Bring water, sunscreen, and a hat for protection from the sun.
4. Allow 1.5–2 hours for the round-trip hike.
5. Take time at the summit to enjoy photos and panoramic views.
6. Pay the entrance fee at Diamond Head State Monument to access the trail.