Big Island · Saddle Road
Mauna Kea Summit Trail
Kapu
This place asks to be respected from a distance. Please do not enter.
Mauna Kea Summit Trail (Humuʻula Trail) ascends from the Onizuka Center for International Astronomy (Visitor Information Station) at ~9,200 ft to the summit at…
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How to visit
The summit of Mauna Kea is sacred to many Native Hawaiians; conduct on the trail and at the summit should be quiet and reverent. The trail climbs to ~13,800 ft — altitude sickness is the principal hazard. Acclimatize at the visitor information station first. Weather flips rapidly; storms are deadly above the inversion layer. The cinder underfoot moves easily — stay on the marked tread.
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