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Diamond Head, Hawaii

Coordinates: 21°15′43″N 157°48′20″W / 21.26194°N 157.80556°W / 21.26194; -157.80556
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Diamond Head
Diamond Head cone seen from Tantalus-Round Top Road
Highest point
Elevation762 ft (232 m)[1]
Prominence596 ft (182 m)[2]
Coordinates21°15′43″N 157°48′20″W / 21.26194°N 157.80556°W / 21.26194; -157.80556
Geography
Diamond Head is located in Hawaii
Diamond Head
Diamond Head
LocationHonolulu, Hawaii, US
Parent rangeHawaiian Islands
Topo mapUSGS Honolulu
Geology
Age of rock200,000 years
Mountain typeVolcanic cone
Last eruptionUnknown
Climbing
Easiest routeTrail
Designated1968

Diamond Head is a volcanic tuff cone on the Hawaiian island of Oʻahu. It is known to Hawaiians as Lēʻahi (pronounced [leːˈʔɐhi]), which is most likely derived from lae (browridge, promontory) plus ʻahi (tuna) because the shape of the ridgeline resembles the shape of a tuna's dorsal fin.[3] Its English name was given by British sailors in the 19th century, who named it for the calcite crystals on the adjacent beach.

Geology

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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 the Koʻolau Volcano that took place long after the volcano formed and had gone dormant. These eruptive events created many of Oʻahu's well-known landmarks, including Punchbowl Crater, Hanauma Bay, Koko Head, and Mānana Island.

Like the rest of the Honolulu Volcanic Series, Diamond Head is much younger than the main mass of the Koʻolau Mountain Range. While the Koʻolau Range is about 2.6 million years old, Diamond Head is estimated to be about 400,000 to 500,000 years old.[4]

View from the rim showing the Waikiki neighborhood (left), the cone (right), and the pillbox at the peak (middle)

History

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Known as Lēʻahi in Hawaiian, the mountain was given the name Diamond Hill in 1825 by British sailors who discovered sparkling volcanic calcite crystals in the sand and mistook them for diamonds. This is reflected in another local name, Kaimana Hila. The name later became Diamond Head, with head being shortened from headland.[5]

The interior and adjacent exterior areas were the home to Fort Ruger,[6] the first United States military reservation on Hawaii.[7] Only Battery 407, a National Guard emergency operations center, and Birkhimer Tunnel, the Hawaii State Civil Defense Headquarters (HI-EMA), remain in use in the crater.[7] An FAA air traffic control center was in operation from 1963 to 2002.[8]

Tourism

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Park Brochure: Diamond Head State Monument

Diamond Head is a defining feature of the view known to residents and tourists of Waikiki, and also a U.S. National Natural Monument. The volcanic tuff cone is a State Monument. While part of it is closed to the public and serves as a platform for antennas used by the U.S. government, the crater's proximity to Honolulu's resort hotels and beaches makes the rest of it a popular destination.

National Natural Landmark

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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.[6] Spanning over 475 acres (190 ha) (including the crater's interior and outer slopes), it served as an effective defensive lookout because it provides panoramic views of Waikiki and the south shore of Oahu.[9]

The Diamond Head Lighthouse, a navigational lighthouse built in 1917 is directly adjacent to the crater's slopes.[6] In addition, a few pillboxes are on Diamond Head's summit.[6]

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Diamond Head appears on an 80-cent air mail stamp issued in 1952 to pay for shipping orchids to the U.S. mainland.[10]

Charlton Heston stars in the 1963 film Diamond Head., in a role that Clark Gable was supposed to play.

"Diamond Head" an instrumental song by Danny Hamilton recorded in 1964 by The Ventures, was an international hit. The song was especially popular in Japan where it became the first single to sell a million copies.[11]

A 1975 televised game show, The Diamond Head Game, was set at Diamond Head.[12]

The Crater was the location of several concerts in the 1960s and 1970s.[13] First held on New Year's Day 1969, and often known as Hawaiian Woodstock, Diamond Head Crater Festivals, sometimes called Sunshine Festivals, were all-day music celebrations held in the 1960s and '70s, attracting over 75,000 attendees for performances of the Grateful Dead, Santana, America, Styx, Journey, War, and Tower of Power, alongside Hawaiian talent like Cecilio & Kapono and the Mackey Feary Band.[13][14][15][16] The one-day festivals became two-day events in 1976 and 1977, but were canceled by the Hawai'i Department of Land and Natural Resources because of community noise and environmental impact concerns.[15] Many items from the bands were brought into and out of the Crater by helicopter.[15]

  • Various views of Diamond Head
  • A view from the ocean of Diamond Head
    A view from the ocean of Diamond Head
  • Diamond Head cone seen from the coast off Waikiki
    Diamond Head cone seen from the coast off Waikiki
  • View from Rocky Hill, which resides over Punahou School
    View from Rocky Hill, which resides over Punahou School
  • Diamond Head peak from Kapiolani Park
    Diamond Head peak from Kapiolani Park
  • Diamond Head seen from Waikiki in the 1800s
    Diamond Head seen from Waikiki in the 1800s
  • Waikiki Beach facing Diamond Head, 1958
    Waikiki Beach facing Diamond Head, 1958
  • Aerial view of the cone, and the Kahala and Kaimuki neighborhoods
    Aerial view of the cone, and the Kahala and Kaimuki neighborhoods
  • Aerial view of the Diamond Head
    Aerial view of the Diamond Head
  • A view from the south, including Diamond Head Lighthouse
    A view from the south, including Diamond Head Lighthouse

See also

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References

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  1. ^ "USGS Topo map". Archived from the original on December 27, 2017. Retrieved January 19, 2013.
  2. ^ "Diamond Head". Retrieved February 10, 2022.
  3. ^ Mary Kawena Pukui, Samuel H. Elbert, Esther K. Mookini, eds. (1964). Place Names of Hawaii, revised and expanded edition. Honolulu: University of Hawaiʻi Press. ISBN 0-8248-0524-0.
  4. ^ "A geologic tour of the Hawaiian Islands: Oʻahu". HVO Volcano Watch. USGS Hawaiian Volcano Observatory. January 14, 2016. Archived from the original on December 11, 2016. Retrieved February 11, 2017.
  5. ^ John R. K. Clark (2002). Hawai'i Place Names: Shores, Beaches, and Surf Sites. University of Hawaii Press. p. 60. ISBN 978-0-8248-2451-8.
  6. ^ a b c d "American Seacoast Defenses Forts, Military Reservations and Batteries 1794-1956: Oahu 1922" (PDF). Coast Defense Study Group (cdsg.org). Retrieved January 19, 2018.
  7. ^ a b Fawcett, Denby (August 3, 2014). "Tunnel Vision". Star-Advertiser. Honolulu. Archived from the original on February 1, 2018. Retrieved January 31, 2018. Alt URL
  8. ^ FAA quits Diamond Head crater
  9. ^ "Diamond Head Lookout". Pearl Harbor Website. Retrieved October 19, 2015.
  10. ^ US Airmail Stamps 1941-1961
  11. ^ "Former Spokane songwriter dies". The Spokesman-Review. December 31, 1994. Retrieved February 21, 2024.
  12. ^ "The Diamond Head Game" (1975)
  13. ^ a b "Diamond Head State Monument Honolulu Concert Setlists". setlist.fm. Retrieved January 31, 2018.
  14. ^ Borreca, Richard (November 1, 1999). "Rebellion & Renaissance, Groovin' in the crater with music and mindbenders: In the '60s and '70s, music moves Hawaii's youth to come together and to speak out". Star-Bulletin. Honolulu. Retrieved January 31, 2018.
  15. ^ a b c Dekneef, Matthew (April 20, 2016). "Memories of the Diamond Head Crater Festivals, Hawaii's own 'Woodstock'". Hawai'i Magazine. Retrieved November 29, 2022.
  16. ^ "Do You Remember... Crater Festivals". Midlife Crisis Hawaii. March 22, 2012. Retrieved January 31, 2018.
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