As a guide, one of the top requests I get is to ‘see Diamond Head’ – which is funny, because often when I get the request – it’s in Waikiki where Diamond Head is most visible! Diamond Head is just one of those monuments that people have heard of but don’t really know what it is – sometimes they know it’s a volcano, sometimes they know it’s a hike, sometime’s they know it’s a surf break – but Diamond Head is that and more. It’s also a neigborhood, a road, a direction, a crater, a park, a National Guard base, a historic military lookout, a lighthouse – and quite frankly – an experience and feeling – a sense of actually being in Waikiki.
Geologically speaking, Diamond Head is a tuff cone volcano that last erupted about 400,000 years ago. The Hawaiians called it Le’ahi which means ‘forehead of the tuna’ and from Waikiki – that’s exactly what it looks like. Western sailors gave it the current name because it was a visible landmark from sea – also known as a ‘head’. The shape of the top is roughly diamond shape which makes sense to me but there are other stories about sailors finding calcite crystals they thought were diamonds and even about the way the light refracted off of it at sunset. At it’s tallest point, it is 762 feet tall (232 m). Diamond Head was the last gasp of the Oahu volcanos and took place millions of years after the main island-forming eruptions of the Ko’olau and Waianae Volcanos. The Pali Lookout sits at the top of the Ko’olau Volcano rim – sometimes people get the lookouts confused.
In modern times, the crater and nearby areas outside the crater were part of the U.S. Army’s Fort Ruger. Today there is still a National Guard Unit and Hawaii Civil Defense inside the crater. It was used as a lookout point for the U.S. Military in Hawaii during both world wars and the pillboxes at the top of the popular interior hike are the remnants of those bygone days.
Diamond Head is a U.S. National Monument and Natural Landmark – so it is protected. In the 1960s and 70s there were huge Woodstock style concerts in the crater with the likes of Jimmy Hendrix, The Grateful Dead, the Rolling Stones, and more. I would have loved seeing the Grateful Dead in there.
Today, most people who come to Diamond Head want to do the hike. It is less than a mile each direction but with some serious elevation gain (about 560 feet). Bring plenty of water, wear sunscreen, and take breaks if you need to. The trail was built in 1908 by the U.S. Army. In ancient times, there was a Heiau (temple) dedicated to the God of Winds up near where tourists take in the view today. You’ll see why – so hold onto your hat! Admission is $5 per car if driving or $1 per person if walking. It is open every day of the year from 6am to 6pm with last entrance at 4:30 pm daily.
Parking is cheap but you may have to wait for a few minutes. To get there just drive up Diamond Head Road to Kapiolani Community College and turn right at the sign, drive through the tunnel into the crater, and pay for parking at the gate.
After you take the hike, drive back out through the tunnel and continue on around Diamond Head’s exterior. You will find several pullouts where you can take in the view of the surf on one side and the exterior of the Volcano on the other. Between the lookouts and the Diamond Head Lighthouse which is operated by the U.S. Coast Guard – you will see a trail that leads down to the surf break. Diamond Head is one of the most consistant and popular surf breaks on the island of Oahu. You will have to hike your board down (and back up) but it will be worth it. If you just want to watch the surfers, the lookout with the Amelia Earhardt memorial is the best spot.
Further down the road, you will enter the Diamond Head neighborhood, one of Oahu’s most exclusive and expensive places to live. Just a bit further and you will be back in Waikiki at Kapiolani Community Park. Don’t forget to turn around and enjoy the beauty and grace of Diamond Head as you enjoy Waikiki.