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The often snow-capped Mauna Kea stands as the tallest mountain in Hawaii and is considered the tallest mountain in the world when measured from the sea floor to summit. Traverse its cinder peaks for spectacular views and unparalleled stargazing opportunities. Stare deep into the expansive universe as you sip on delicious warming beverages and take in the crisp, sacred, and unforgettable surroundings of this spectacularly cold Hawaiian wonderland.
FAQs for Visiting Mauna Kea

Hours of Operation: Open daily from 9:00am - 10:00pm (Onizuka Center for International Astronomy Visitor Information Station)

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.

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  1. Stand at the top of Hawaii at the famous Big Island observatory with Mauna Kea Summit Adventures. Watch a Mauna Kea sunset over the cloud line at 9,000 feet above sea level and marvel at millions of stars glittering above with guided stargazing.
    Pick-up Provided
    Meal Provided

    USD225.00

    5%
    OFF
    Daily
    4.5 - 8.5 hour(s) (afternoon)
  2. Spend an evening that begins with dinner at a Parker Ranch outpost, followed by an ascent to Mauna Kea summit, Hawaii's tallest point, for the best stargazing on Big Island - warm drinks and brownies included!
    Pick-up Provided
    Meal Provided

    USD230.00

    5%
    OFF
    Daily
    5 - 9 hour(s) (afternoon)
  3. See the best of the Big Island with this 8-hour evening tour starting in Kona that takes you to the rainforests and waterfalls of Hilo, volcanoes of Kilauea, and the clear starry skies of Mauna Kea! This small-group sightseeing tour is a must-do!
    Pick-up Provided
    Meal Provided

    From USD249.00

    2-for-1
    Review Rebate
    Daily
    5.5 - 8.5 hour(s) (afternoon)
  4. Travel 13,000 feet upward to the summit of the world's tallest volcano and watch in awe as the sun makes a majestic ascent over an ocean of white clouds.
    Pick-up Provided
    Meal Provided

    USD205.00

    5%
    OFF
    Daily
    5 - 7 hour(s) (night)
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