Diamond Head: Tickets, Timing and What to Expect

To hike Diamond Head, visitors from outside Hawaii need a timed reservation for entry, which costs $5 per person, plus a $10 parking reservation if you drive in. Both are booked online in advance and paid by credit card. The summit trail is 0.8 miles each way and climbs 560 feet, and the state recommends allowing 1.5 to 2 hours. Go early in the morning, before the heat builds.

Here’s everything you need to plan it, and how to see Diamond Head if the hike isn’t for you.

Diamond Head tickets at a glance

How to book your Diamond Head reservation

Since May 2022, non-residents have needed a reservation to enter the park, whether they walk in or drive. Book through the Hawaii State Parks reservation system, linked from the official Diamond Head page.

A few things to know before you book:

• You choose a time slot. Arrive within your window. Late arrivals and no-shows can be refused entry.
• Entry and parking are separate. If you’re driving in, you need both.
• It’s credit card only.
• Morning slots go first. If you want a cool, early hike, book as soon as your dates are firm.

Timing: when to hike Diamond Head

Early morning is best. The trail has little shade, and the midday sun on the crater wall makes the climb much harder. The gates open at 6:00 a.m.

Winter sunrise is possible. From December through February, Honolulu’s sunrise is close to 7:00 a.m., so a 6:00 a.m. reservation can put you on the summit as the sun comes up. It’s a good use of your first morning, while your body is still on mainland time. Hawaii doesn’t use daylight saving time, so 6:00 a.m. in Honolulu is 9:00 or 10:00 a.m. on the West Coast, depending on the season.

Avoid the holidays. The park is closed on Christmas Day and New Year’s Day, and holiday weeks book up quickly.

Watch for storms. Heavy weather occasionally closes the park. The state refunds reservations for storm closures, minus non-refundable service charges.

What to expect on the hike

Diamond Head, known in Hawaiian as Lēʻahi, is a volcanic tuff cone that formed about 300,000 years ago in a single explosive eruption. The trail to its summit was built in 1908 as part of Oahu’s coastal defense system, and the climb takes you through that history.

1. The crater floor. You start inside the crater on a wide paved path. It’s easy going, and most people walk faster here than they should.
2. The switchbacks. About 0.2 miles in, the concrete gives way to natural tuff, and the path zigzags up the inside of the crater wall. This is where the heat catches up with you.
3. The stairs. The last tenth of a mile is almost entirely stairs, and steep ones.
4. The tunnel. A lighted 225-foot tunnel leads through the rock to the old Fire Control Station, completed in 1911, which once directed artillery fire from gun batteries in Waikiki.
5. The summit. You come out among old bunkers, with a navigational lighthouse from 1917 below you. The view runs along the coast from Koko Head to Waiʻanae, with Waikiki right beneath you.

In winter, keep an eye on the ocean. The state notes that humpback whales can sometimes be seen from the summit.

What to wear and bring

• Shoes with grip. People do hike in flip-flops, but the tuff is uneven and the stairs are steep. Sneakers are far more comfortable.
• Water. More than you think. There’s no water along the trail itself.
• A hat and sunscreen. Choose a mineral sunscreen if you’ll be at the beach later.
• Free hands. You’ll want both on the stairs, so use a small backpack.
• No pets. Only service animals are allowed in the park.

Is the Diamond Head hike worth it?

It’s worth it if you’re comfortable with steep stairs in the heat, you have a reservation, and you want the classic Oahu view with some history along the way.

Think twice if you have limited mobility or knee trouble, you can’t get a reservation that fits your plans, or you’d be hiking in the middle of a hot day. The summit trail isn’t ADA accessible, although the facilities on the crater floor are.

How to see Diamond Head without hiking

You don’t need to climb Diamond Head to see it. Its outline is visible from much of Waikiki, and one of the best easy views is from outside the crater, looking back at it above the ocean.

That’s where our full-day circle island tour begins. The Diamond Head Lookout is the first of nine stops, with 15 minutes for photos, and it needs no reservation and no climb. The rest of the island follows: Halona Blowhole, the windward coast, lunch on the North Shore and 75 minutes at Turtle Beach. See the complete circle island tour route.

See Diamond Head without the climb. Our full-day circle island tour starts at the Diamond Head Lookout and covers nine stops in about 9.5 hours. The Standard tour is $59. Check dates and book

Want the summit hike built into a private day? Groups of 10 or more can book a private charter and add the Diamond Head hike to their itinerary. See private tour options

Good to know (checked September 2026)

Non-resident entry is $5 per person and parking is $10 per vehicle, both by reservation and credit card. Hours are 6:00 a.m. to 6:00 p.m., with the last reservation at 4:00 p.m. Storms occasionally close the park, so check the Division of State Parks page before you go.

FAQ

Plan it, then see the rest of the island

Book an early slot, bring water, and take the stairs slowly. Then spend another day seeing everything east and north of the crater.

Your island day starts at Diamond Head. Book the $59 Standard full-day tour, with pickup from six points in Waikiki between 6:50 and 7:15 a.m.

Aloha Fantasy Tours has run circle island tours on Oahu since 2010.