Things to do nearDiamond Head
Diamond Head is a volcanic crater landmark on Oahu, Hawaii, celebrated for its panoramic coastal views, rich military history, and rewarding hiking trail.
Diamond Head earned its English name in the nineteenth century when British sailors mistook calcite crystals glinting on the crater's slopes for diamonds. The formation itself is far older, the result of a single explosive volcanic eruption roughly 300,000 years ago that left behind a tuff cone now preserved as a state monument. Hawaiians knew it as Leahi, a name that likely refers to the brow of a tuna, describing the crater's distinctive ridge profile as seen from the sea.
The United States military recognized the strategic value of Diamond Head early in the twentieth century, constructing a network of tunnels, fire control stations, and observation posts inside and along the crater rim. These fortifications, built during World War I and expanded through World War II, are still visible on the trail today, and passing through the dim concrete tunnels and up the spiral staircase to a former military bunker is one of the hike's most memorable moments.
The summit trail covers roughly 1.6 miles round trip and climbs about 560 feet in elevation. The path is well-maintained and clearly marked, passing through open scrubland before entering the tunnel system near the top. At the summit lookout, the view takes in the full arc of Waikiki's shoreline, the Koolau Range inland, and on clear days the neighboring island of Molokai on the horizon.
Diamond Head remains one of the most visited natural landmarks in Hawaii for good reason. It offers genuine natural and historical depth within a short distance of one of the world's most famous beach resorts, making it a worthwhile destination in its own right.
7-day forecast
Chance of rainTips for visiting Diamond Head
Visit during the early morning hours, ideally before 8 a.m., to beat the heat and secure parking inside the crater before the lot fills.
Bring at least one liter of water per person, as there is no water available on the trail and the exposed terrain can feel significantly warmer than the coast.
Wear sturdy closed-toe shoes, since the trail includes steep staircases, uneven lava rock, and a narrow spiral staircase inside a military observation bunker.
Pause at the summit pillbox on the left before the main lookout for a quieter vantage point and a slightly different angle on the Waikiki skyline.
Combine your visit with a stop at Kapiolani Park at the base of Diamond Head for a shaded rest, local food trucks, and views back up at the crater rim.
Top tours & experiences near Diamond Head
Private Snorkeling Charter in Honolulu
Shape a private Oahu boat adventure around snorkeling, wildlife, and coastal views
Private Diamond Head Sailing Charter in Honolulu
Private sailing with Diamond Head views and room to celebrate
2-Hour Waikiki Whale Watching Cruise
Cruise Waikiki’s coast for seasonal whale watching, plus a complimentary Mai Tai
Catamaran Swim & Water Slide Cruise in Waikiki
Trade the beach for an ocean playground with slides, platforms, and a floating water pad
Take a Doors-Off Helicopter Tour Over Oahu
Land at a private Waimea Bay overlook on a doors-off helicopter flight
Private Afternoon Sail in Waikiki
Private beach-boarded sail with Diamond Head Lighthouse views
Waikiki Ocean Playground Snorkel Cruise
Snorkel, slide, and lounge aboard a Waikiki catamaran
Waikiki Humpback Whale Watching Cruise
Watch for humpbacks along Waikiki's coast with a free re-ride if none are spotted
Private 3.5-Hour Waikiki Snorkel Cruise
Private 3.5-hour Waikiki cruise with snorkeling gear and fresh poké for up to 6 guests
Private Sunset Cruise in Honolulu with Diamond Head Views
Golden-hour views of Waikiki and Diamond Head
3-Hour Turtle Canyon Snorkel Sail
Snorkel Turtle Canyon’s reefs with lunch, gear, and crew support included
3-Hour Offshore Fishing Charter In Honolulu
Fish offshore from a sailboat near Diamond Head
Waikiki Ocean Waterpark Snorkel Cruise
Snorkel Waikiki and enjoy a floating waterpark with Diamond Head views
Private Proposal Sailing Charter in Honolulu
Set the scene for your proposal with an ocean backdrop
Sunset Sightseeing Cruise in Waikiki
Cruise Waikiki at sunset with live commentary and Diamond Head views
Waikiki Surf Breaks & Hawaiian History Boat Tour
See Waikiki beyond the beach with live local storytelling
Two-Tank Nitrox Reef Dive Charter in Honolulu
Explore Oahu’s reefs with free nitrox on both dives
2-Hour Waikiki Turtle Canyon Snorkel Sail
Sail Waikīkī and snorkel Turtle Canyon with gear, snacks, and drinks included
Honolulu Special Occasion Sailing Charter
Celebrate on a private sail along Oʻahu’s coast with views of Diamond Head
Small Group Waikiki Snorkel with Turtles & Gear
Discover vibrant marine life and Diamond Head views on a guided Waikiki snorkel experience.
Honolulu Sunset Fireworks Cruise
Sail past Waikiki at sunset and watch an onboard fireworks display
3-Hour Private Waikiki Cruise Charter
Private 3-hour Waikiki yacht cruise with snorkeling and fresh pok0 for up to 6
Waikiki Friday Night Fireworks Sail with Drinks and Bento
Sail at sunset for front-row views of Waikiki’s Friday fireworks, with drinks and a bento included
Cruise Waikiki on a 3-Hour Private Yacht Charter
Private 3-hour Waikiki yacht cruise with snorkeling and fresh poké