Mauna Kea Summit Adventures & Stars

FAQs for Visiting Mauna Kea

Hours of Operation: Open daily from 9:00am - 10:00pm (Onizuka Center for International Astronomy Visitor Information Station)
Due to renovations, the visitor center will close at 5:00pm starting December 9th. Construction is expected to last 6 months.

When should I go stargazing? - The best time for stargazing on Mauna Kea is on a clear and moonless night.
What else can I do on Mauna Kea? - Things to do at the Mauna Kea Visitor Information Station include watching videos, shopping at the First Light Bookstore, stopping by the silversword garden, picnicking, hiking to the top of Pu'u Kalepeamoa, and viewing the Sun through a solar telescope.
What are conditions like at the summit? - Bring a warm jacket! The average temperature at the summit of Mauna Kea is 30°F (-1°C) and high wind conditions are common.
Does the peak get crowded? - The busiest time to visit Mauna Kea is between 30 minutes before sunset to 1.5 hours after sunset. Parking and space at the visitor station during this time will be limited.
Can I drive myself up the mountain? - The access road to the summit, above the visitor center, is steep graded-gravel and will require a 4WD vehicle with low range.
Is it safe to climb to the summit? - The area is safe for any healthy adult, though some may be affected by altitude sickness. Due to high altitudes and low oxygen levels, pregnant women, children under 16 years of age, those with a history of respiratory or heart problems, high blood pressure, obese persons (40+ BMI), and those who have been scuba diving within 24 hours should not travel beyond the visitor center.

Tours visiting Mauna Kea depart from Kona, Waikoloa and Kohala areas. No Hilo area departures are currently available.