Rapid ʻŌhiʻa Death (ROD) is a disease caused by a newly identified fungus. This fungus clogs the tree's vascular system, depriving the canopy of water, and may kill ʻŌhiʻa very quickly.
Alerts & Conditions
4/11/2019 - Temporary Closure of Mauna Loa SummitThe summit of Mauna Loa is closed beyond Red Hill due to forecast winter weather conditions.
What's Open and What's Not?Some park closures remain in effect
Temporary Travel Restrictions on Mauna Loa RoadDuring the 56th Annual Merrie Monarch Festival in Hilo, travel on Mauna Loa Road will be restricted to hiking, biking and official motor vehicle traffic only. The restrictions will be in effect Friday, April 19 to Sunday, April 28, 2019.
Vehicles over 20,000 GVW are restricted from entering the park, until further noticeThis includes a full-sized school bus. Many park roads remain damaged and Federal Highways has advised that we restrict weight until repairs can be made.
No Molten Lava In ParkDate Posted: 9/10/2018 PLEASE BE AWARE: beginning in May, 2018, the lava lake that existed inside Halema‘uma‘u crater disappeared and lava flows from Puʻu ʻŌʻō crater have ceased. There is no molten lava to see anywhere in the park.
Last updated: May 11, 2018