Honolulu

O‘ahu's Diamond Head State Monument Announces Closure Dates for Rockfall Mitigation in June

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Published on May 21, 2025
O‘ahu's Diamond Head State Monument Announces Closure Dates for Rockfall Mitigation in JuneSource: Department of Land and Natural Resources

The Diamond Head State Monument will be closed from June 17 to 20 and June 24 to 27 for rockfall mitigation work. During these dates, visitors will not be able to access the summit, according to the Department of Land and Natural Resources

Employees can enter through the Kapahulu Tunnel from 6 a.m. to 6 p.m. to maintain the park’s essential operations. A security team will be stationed at the gates to control movement and ensure safety during the construction work to prevent future rockfalls, as reported by the Department of Land and Natural Resources.

The park will have partial closures on June 16 and 23, with visitor hours from 6 a.m. to 2 p.m. On other days in June, the park will be open until 2 p.m. on weekdays and until 6 p.m. on weekends. The safety improvement project is scheduled for completion by July 25, as stated by the Department of Land and Natural Resources.

Honolulu-Transportation & Infrastructure