Mountain sights in Honolulu & Waikiki
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Diamond Head State Monument
One of the best-known landmarks in the Pacific, Diamond Head is familiar to every visitor to O'ahu as the backdrop to Waikiki. The 228m (760ft) mountain is a tuff cone and crater formed by a violent steam explosion deep beneath the surface long after most of O'ahu's volcanic activity had stopped.
The crater is the site of Diamond Head State Monument, a visitor facility with picnic tables and a hiking trail up to the crater summit.
The trail to Diamond Head summit was built in 1910 to service the military observation stations located along the crater rim. Today it's a popular hike. Don't expect a walk in the park, as it's a fairly steep hike that takes about one hour retur…
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