Most of the vegetation and birds were introduced in the late 1800s to early 1900s.

The crater is 3,520 feet in diameter with a 760-foot summit.

When the United States annexed Hawaii in 1898, harbor defense became a main responsibility.

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One of the major defense forts, Fort Ruger, occupied the Diamond Head Crater.

A 580-foot tunnel was dug through the crater wall to provide easier access to the Fort.

A battery of canons was located within the crater providing complete concealment and protection from invading enemies.

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Photo credit

Diamond Head is now a popular tourist spot and hiking destination.

A 1.1-km hike leads to the edge of the crater’s rim.

Signs at the trailhead say that the hike takes 1.52 hours round-trip, and recommends that hikers bring water.

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From the summit above the observation platform both Waikiki and the Pacific Ocean can be seen in detail.

The volcano is a symbol of the worldwide recognition of the Hawaiian Islands.

Many souvenirs from Hawaii and surf shop logos around the world bear the volcano’s distinctive silhouette.

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View from Diamond Head Rim.Photo credit

Diamond Head Lighthouse.Photo credit

Diamond Head Landmark.Photo credit

Diamond Head Frontal View.Photo credit

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