One of the major Honolulu landmarks, Diamond Head is a volcanic cone of a 300,000-year-old crater that dominates the city and offers spectacular views of the island and the ocean beyond. It is today a State Monument, protected for its natural and historic importance. To enter the park, you have to approach it from the eastern side through a short tunnel that leads to the center of the crater. Once inside, walk to the west side to start the 560-foot climb. The dirt path is full of switchbacks, loose gravel, and potholes, and it ends in 99 steps, so you will probably work up a bit of a sweat, but even kids can do the hike, and the view is definitively worth it.

Diamond Head State Monument Trail, 18th Ave., Waikiki, Honolulu, Oahu, HI 96815

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