Contact — Diamond Head State Monument
diamondheadmonument.com is an independent informational website. It is not run by the Hawaii Department of Land and Natural Resources, the Division of State Parks or Pacific Historic Parks. We do not manage the park, sell reservations, issue permits or respond to trail reports. For anything about the park itself, contact them directly.
Diamond Head State Monument — Hawaii Division of State Parks
- Division of State Parks, Oʻahu (main) office: 808-587-0300
- Park entrance: Diamond Head Road between Makapuu Avenue and 18th Avenue, Honolulu, HI
- Official park page: dlnr.hawaii.gov/dsp
- Reservations: gostateparks.hawaii.gov/diamondhead
Report an Emergency or Violation
- Emergency: 911
- DLNR enforcement (DOCARE) hotline: (808) 643-DLNR (643-3567)
- Honolulu Police Department, non-emergency: (808) 529-3111
Visitor Center — Pacific Historic Parks
Pacific Historic Parks runs the gift shop and the official audio tour at the Diamond Head Visitor Center on the crater floor in partnership with Hawaii State Parks. Its page lists the Visitor Center as open 7 a.m. to 3:30 p.m. daily, closed December 25 and January 1. Website: pacifichistoricparks.org.
About This Website
Questions or corrections about this site: support@diamondheadmonument.com. For anything park-related, use the contacts above.