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Diamond Head Sunrise Hike on Oahu

Volcanoes formed the Hawaiian islands, and a Diamond Head sunrise hike on Oahu is an easy way to experience this geology up close.

Diamond Head (Leahi) crater was formed 300,000 years ago during an eruption of the Koolau Volcano further inland.

Diamond Head itself is not a volcano. Still, it has long been a symbol of not just Honolulu and Oahu but Hawaii as a whole.

Looking inside Diamond Head crater from the summit
View inside Diamond Head crater from the summit

The tall crater walls are visible from Waikiki Beach, where many travelers stay. I remember this view from 30 years ago when I visited Oahu on a family vacation. I don't recall us climbing it, though.

Fast forward to today, and I had the opportunity to see Diamond Head crater from the summit when I returned to Oahu with my girlfriend.

We went for sunrise, which is an excellent time for this popular hike, in part, because it's cooler.

Getting There

Car

There's a $10 fee per vehicle to use the parking lot if you're driving. While we'd rented a car for our scenic drive around Oahu, it wasn't necessary for the Diamond Head crater hike.

Diamond Head tunnel
Diamond Head tunnel

Rideshare

Instead, we called an Uber at about 5:40 a.m. from our hotel in Waikiki Beach. It was about a 15-minute drive to the park.

However, rideshare drivers cannot enter the tunnel leading into the crater and park.

They'll drop you off at the tunnel's entrance on Diamond Head Road, and you can safely walk through it in the pedestrian lane. It's well lit.

We knew the park didn't open until 6 a.m., so that's when we arrived at the tunnel. But, I wish we'd known to get there at 5:45 a.m., as it takes 10-15 minutes to walk from the tunnel entrance to the ticket gate.

Had we already been waiting at the ticket office when the park opened, we would've reached Diamond Head's summit just as the sun broke the horizon. Instead, we were still hiking up when that magical moment happened.

The Uber ride there was $16, and the return trip was $9, making for $25 roundtrip + tips.

Inside Diamond Head crater, the summit is in the distance.
The Diamond Head crater floor

Bus

The cheapest option is to take Bus 23 from Kuhio Avenue to Diamond Head, and you'll need to walk through the tunnel.

Waikiki Trolley

The blue line on this hop-on-hop-off trolley goes to Diamond Head State Monument, but the earliest departure is 9 a.m., so it's not an option if you want to catch the sunrise.

Also, it costs $25 per adult, though it does give you the chance to visit other points of interest on the same day, including the Halona Blow Hole.

The start of Diamond Head Trail
The start of the Diamond Head summit trail

Diamond Head Trail

Once you've paid the $5 entrance fee (credit cards only, Hawaii residents get in free), it's time to walk Diamond Head Trail to the summit.

According to the state park website, the “trail to the summit of Leahi was built in 1908 as part of Oahu's coastal defense system.”

The hike is 1.6 miles roundtrip and begins with a gentle incline on a concrete path. Your final destination is visible atop the crater rim as there are some old military base structures up there.

Rocky path on the hike to Diamond Head crater summit
Rocky path

As the terrain steepens, concrete gives way to natural rock outcroppings. They're not hard to navigate on foot, but I wouldn't try and take a stroller up Diamond Head Trail.

At this point, we were already encountering some hikers making their way down.

If I had the scenic summit to myself at sunrise, I'd be keen to get off it once more people started arriving.

Steep stairs as you approach the crater's summit
Set of stairs

The rocky path eventually takes you to a steep staircase, painted bright yellow — you can't miss them.

The staircase leads into a 225-foot, dimly lit tunnel. Clastrophobes may not enjoy this part, but it doesn't last long.

Sunrise on the hike up Diamond Head in Oahu, Hawaii
Sunrise
Looking east toward sunrise from the summit
A metal staircase near the summit

Once you exit the short tunnel, you'll have more steps to climb before reaching the crater's summit.

A helipad is visible, which I imagine is used in the event of emergency rescues.

Looking west to Waikiki from summit lookout on Diamond Head at sunrise
Looking west toward Waikiki from the summit

Diamond Head Lookout

Once you reach the top of Diamond Head crater, there are a bunch of old military bunkers with panoramic views of Oahu's coastline. It's fun to have something to climb on once you're up there.

You'll see Waikiki Beach and Honolulu to the west and the sunrise and Koko Head Park and Crater (also walkable) to the east from the lookout point.

Old military bunker on crater's rim
Old military bunker
Lighthouse dating back to 1917
Lighthouse (1917)

Overall, the Diamond Head sunrise hike was relatively easy for me, which is not to say I didn't need to stop and catch my breath at times. The views from the summit of Diamond Head were worth it, though.

Kel and I returned to our hotel for a well-deserved breakfast. We had plenty of time to hang out on Waikiki Beach and tour Iolani Palace, the former residence of the last royal Hawaiian family.

Dave descends stairs into the crater (photo: Kelly Lemons)
Dave descends into the crater (photo: Kelly Lemons)

Plan Your Hike

When's the best time to hike Diamond Head?

Diamond Head State Monument park in Oahu is typically open daily from 6 a.m. to 6 p.m.

Sunrise hikes are popular, and for those, I'd suggest planning to be at the visitor center ticket office at 6 a.m.

If you're not tied to sunrise, I'd still aim for the morning, as the sun is lower in the sky and temperatures cooler. There's little shade once you begin the hike; it's a good idea to bring plenty of water.

Hikers cannot begin the hike after 4 p.m., and all visitors must be out of the park by 6 p.m.

How long does it take to hike Diamond Head?

I'm 44 and able-bodied, and I reached the summit in 25 minutes. If you're more athletic than me, you can surely get up faster or with less effort.

How challenging is the Diamond Head hike?

The Diamond Head sunrise hike is considered an easy hike. While there are steep sections, much of the hiking trail is paved, and there are guardrails. Heavier hikers or older folks may find it moderate to difficult.

What should you wear?

Since it's mostly paved, you could get away with wearing flip-flops or sandals, but I wouldn't recommend it.

I'd suggest good walking shoes or sneakers, preferably with some cushion. I wore my favorite running sneakers.

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