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In A Hidden Hawaiʻi Gulch, A Wartime Secret Opens To The Public

  • Martial law was imposed on the Hawaiian Islands hours after the Japanese bombed Pearl Harbor on December 7, 1941.
  • Honouliuli, Hawaiʻi's largest and longest-operating wartime detention site, opened in March 1943 in a remote gulch on Oʻahu.
  • Prisoners called Honouliuli “Jigoku Dani,” meaning “Hell Valley,” due to the intense heat in the ravine.
  • The National Park Service opened Honouliuli to the public for the first time on July 18, 80 years after its closure, as part of a pilot program.
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In A Hidden Hawaiʻi Gulch, A Wartime Secret Opens To The Public

Hours after Japanese war planes bombed Pearl Harbor and military installations across Oʻahu on December 7, 1941, martial law fell over the Hawaiian Islands.

·New York, United States
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Civil Beat broke the news in Honolulu, United States on Friday, August 14, 2026.
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