Aloha and welcome to the official website for the Diamond Head State Monument Online Reservation System. From this website you will be able to reserve and purchase parking (if necessary) and entry …

Diamond Head State Monument on Oahu, a volcanic tuff cone, emerged around 300,000 years ago, featuring a distinctive circular crater. The iconic hike to the summit takes visitors through historic …

Diamondhead no longer bears the crystals on his chest, and the crystals on his back have also grown in length. His jaw is larger, he wears black shoes that are green on the bottom, and there are now only …

Diamond Head is part of the system of cones, vents, and their associated eruption flows that are collectively known to geologists as the Honolulu Volcanic Series, formed by renewed eruptions from …

May 16, 2023 · Diamond Head is part of the system of cones, vents, and eruption flows of the Honolulu Volcanic Series. Thankfully, there’s no chance of an eruption at this state park these days! But the …

As the backdrop of many postcards, this bustling state park is an unmistakable part of the Oʻahu landscape. Likewise, the Diamond Head hike is one of the most popular hikes and most visited state …

Jul 26, 2025 · Diamond Head State Monument is located just east of Waikiki, on the island of O'ahu, and is the most recognized landmark in Hawai'i. The area has been shaped by a dynamic geological history.

Sep 22, 2021 · The Diamond Head Summit Trail in Oahu is one of Hawaii’s most popular hikes. This short, steep trail takes hikers up to a spectacular viewpoint of Waikiki Beach. We have hiked a lot of …

Jan 12, 2026 · Hawaii’s most recognized landmark is known for its historic hiking trail, stunning coastal views, and military history. Diamond Head State Monument encompasses over 475 acres, including …

Dec 8, 2025 · The Diamond Head hike is a moderately challenging trail that begins down in Diamond Head State Monument and zig-zags its way up to the summit of Diamond Head Crater. It’s not very …