Mauna Kea Summit & Observatory Tours

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Visiting the Mauna Kea Summit and Observatories gives you the feeling of being on top of the world for good reason: You’re actually pretty close. Standing at 13,796 feet (4,138 meters), the mountain is Hawaii’s tallest and the highlight of many visitors’ trips to the Big Island of Hawaii. The Mauna Kea Observatories (MKO) feature some of the world's largest telescopes, including equipment from Canada, France, and the University of Hawaii, due to its designation as an unparalleled destination for stargazing.


The Basics

Mauna Kea tours depart from Hilo, Kona, and Waikoloa Village, and usually last upwards of eight hours. Whether you choose to visit for sunrise, sunset, a midday summit tour, or after-dark stargazing, the mountain makes for a popular day trip on the Big Island.


The Mauna Kea Visitor Information Station sits at 9,300 feet (2,790 m) and features interactive displays and videos, with telescopes, talks, and tours. It’s important to stop here even if you’re headed to the summit to acclimate to the altitude. In addition to checking out the magnificent night sky, you can learn about Mauna Kea’s formation and why the mountain is considered sacred to native Hawaiians.


Insider Tip

Sunrise and sunset are great times to visit Mauna Kea. Enjoy stargazing (offered nightly from 6 to 10pm) and hot chocolate (available for purchase) at the Visitor Information Station, or rise bright and early to drive up to the summit in time to watch the sunrise.


Best Ways to Summit Mauna Kea

You can make an ambitious go of the summit on your own (on foot or in a vehicle), or join an organized summit adventure tour during visiting hours (from 30 minutes before sunrise to 30 minutes after sunset). From the Visitor Information Station, a roughly 10-hour, roundtrip hike on a rugged trail takes you to the top and back. Be prepared for a workout, and be sure to wear layers and sturdy closed-toe walking shoes; you’ll encounter all kinds of weather as you ascend above the Big Island’s layer of cloud cover. You must bring your own water and pack out your waste; there are no amenities on the trail.


If you’d rather drive to the top, you’ll need a 4-wheel drive vehicle, plenty of water and sunscreen, and a keen eye for hazards. Depending on conditions, summit attempts can be particularly dangerous in winter. Mauna Kea is one of the only places in the world where you can drive from sea level to nearly 14,000 feet in a few hours.

Practical Info

How to Get There

The Visitor Information Station is an hour’s drive from Hilo, via Highway 200. From Kailua-Kona, the drive takes about 1 hour and 40 minutes on Highway 190; from Waikoloa, it’s about 50 minutes via the Saddle Road to the visitor center. Camping is not allowed on Mauna Kea.

What Makes Mauna Kea Ideal for Astronomical Sightseeing?

The Subaru Telescope, the W.M. Keck Observatory, and the NASA Infrared Telescope Facility take advantage of Mauna Kea’s ideal location near the equator and above most of the atmosphere’s water vapor, which means a clear view of stars in both of the earth’s hemispheres.
Location
Address: Saddle Road, Hilo, Hawaii 96720, USA
Ticket
Admission: Free
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