Oʻahu · Honolulu
Lēʻahi (Diamond Head)
Lēʻahi
Honolulu's landmark tuff cone, formed in a short eruption about 300,000 years ago. A steep summit trail follows an old Army route up to bunkers on the rim.
Reservations
A reservation or permit is required. Book ahead.
How to visit
Out-of-state visitors need an advance reservation. Go early, carry water, and stay on the trail. The tunnel and stairs get crowded, so let faster hikers pass.
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