Lēʻahi – Diamond Head
Destination To Paradise
The proper Hawaiian name of Diamond Head on O’ahu is Lēʻahi. The volcanic tuff cone of Lēʻahi (translates to: brow of the tuna) derived from lae (browridge) plus ʻahi (tuna) because the shape of the ridgeline resembles the shape of a tuna’s dorsal fin.
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 the interior and outer slopes of the crater. Diamond Head is a popular hiking destination with panoramic views of Waikiki and Oahu’s south shore.
In 1968, Diamond Head was declared a National Natural Landmark. The crater, also called Diamond Head Lookout, was used as a strategic military lookout in the early 1900s. Spanning over 475 acres, it served as an effective defensive lookout because it provides panoramic views of Waikīkī and the south shore of Oahu. The Diamond Head Lighthouse, a navigational lighthouse built in 1917 is directly adjacent to the crater’s slopes. In addition, a few pillboxes are located on Diamond Head’s summit.