Maunakea Stellar Explorer HILO
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September 2026
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Who is going?
Adults
Age 13 and over
Children
Age 12 and under
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Free cancellation up to 24 hours before. Same price on Viator, Outty earns a commission.
Traveler rating
4.4/5
Based on 104 traveler reviews. Ratings and reviews provided by Viator and Tripadvisor.
Quick answer
Is Maunakea Stellar Explorer HILO worth booking?
Maunakea Stellar Explorer HILO is a 7-hour experience in Hilo, United States, from $198 per person. It scores 67 out of 100 on the Outty Ranking, which we label “Solid Choice”, based on a 4.4/5 rating across 104 reviews. Cancellation is free up to 24 hours before the start time. Same-day spots are currently showing.
- Outty Ranking
- 67 / 100
- Rating
- 4.4/5 (104)
- Duration
- 7 hours
- From
- $198 per person
For an out-of-this-world experience, check out Maunakea Stellar Explorer from KapohoKine Adventures. This thrilling adventure is the only Big Island star tour to feature nighttime astronomical observing AND safe daytime
What you get
About this experience
For an out-of-this-world experience, check out Maunakea Stellar Explorer from KapohoKine Adventures. This thrilling adventure is the only Big Island star tour to feature nighttime astronomical observing AND safe daytime solar viewing with all ages welcome! Our in-house stellar explorers are the best and most experienced in Hawaii with one having created the Mauna Kea Visitor’s Center and operated it for a decade. Others on staff have written noted articles and reviews for well-known astronomy magazines and have worked at world-class observatories. This tour does not visit Maunakea’s summit or Visitor Center out of deference to Native Hawaiian concerns.
What's included
Included
- Hotel pickup and drop-off
- Professional guide
- Bottled water
- Driver/guide
- Dinner
- Beverages
- Tea and coffee
Not included
- Gratuities
What you'll see and do
Rainbow Falls
Start your adventure in quaint Hilo town where you’ll drive along the historic waterfront before arriving at Rainbow Falls. This iconic waterfall right off a postcard features an 80 foot tall twin waterfall system. Look for the rainbow effect that gives the waterfall its name!
20 minutes here · Admission included
Boiling Pots
Continue traveling up the Wailuku River to Boiling Pots. Impressive photo opportunities are often found here when the river “boils” through depressions in the rocks.
20 minutes here · Admission included
Kaumana Caves Park
Explore Kaumana Caves, part of the lava tube system that brought lava 1.5 miles from Hilo-town in 1881. Take a peek inside the cathedral-like space before tucking into a quick picnic-style lunch atop the caves.
60 minutes here · Admission included
Mauna Kea
Your guide will take you to one of our preferred locations on Mauna Kea for nighttime stargazing. You’ll observe deep sky and planetary objects through a large aperture Dobsonian telescope under one of the darkest and most pristine skies on planet Earth! Our Dobsonian telescopes are a true purist’s experience to view the night sky. Their fast focal ratio enables you to see sprawling wide field views of objects that simply aren’t possible with the types of telescopes used by other tours. Depending on what is visible in the current sky and weather permitting, you’ll observe galaxies, nebula, star clusters, planets, double star systems, the moon, and much more; all the highlights and showpiece objects like you’ve never seen before!
90 minutes here
Saddle Road
Next, you’ll travel across Saddle Road between Mauna Kea and Mauna Loa, two of the tallest and most massive volcanoes on Earth. Your National Park Service trained guide will discuss the volcanology, geology, and history of these monstrous wonders, as well as providing in-depth narration on the various lava flows and flora and fauna that you’ll be passing by. While you’re taking in the breathtaking terrestrial views, your guide will prepare some heavenly views just as stunning. Setting up a state of the art solar telescope for your viewing pleasure, your specially trained guide will let you safely watch the sun come alive in true color with vibrant solar flares, sunspots, prominences and any other current activity weather permitting.
60 minutes here
Where it starts and ends
Meeting point
Hilo
Hotel pickup
Pickup is available for selected locations. Pickup begins about 15 minutes before departure.
Ends at
Returns to the starting point
Before you book
- Cancellation
- For a full refund, cancel at least 24 hours before the scheduled departure time.
- Languages
- en
- Ticket
- Mobile Only
- Runs on
- Every day
- Group size
- Up to 15 travelers per booking
- Operated by
- Kapohokine Adventures
Know before you go
- Not recommended for travelers with poor cardiovascular health
- Public transportation options are available nearby
- Suitable for all physical fitness levels
Photos
What travelers are saying
Outty’s summary of the themes that recur across 104 traveler reviews. Written by us, not quoted from reviewers.
The guide
7 mentionsTravelers single out the guide as the reason the experience works.
Knowledge and storytelling
7 mentionsReviewers describe the commentary as informative rather than scripted.
Traveler reviews
104 verified traveler reviews for Maunakea Stellar Explorer HILO. Ratings and reviews provided by Viator and Tripadvisor.
Great Experience
Fun experience! Kenny was fantastic! Communications prior to the trip was great, with pick up time and location. We got to visit the sites in and around Hilo - waterfalls and caves. Then we drove up Saddle Road, had dinner and saw the stars. It was an experience, great clear night. Had a lot of fun! Plenty of snacks along the way. Would highly recommend!
via Tripadvisor
Worth the trip
This was such a fun and incredible experience. Sam was the best tour guide , very knowledgeable and fun.
via Viator
Amazing stargazing experience!
Our guide Sam was fantastic. We particularly appreciated his deep knowledge of the cultural history of Hawai'i, and of the ecology and geology of the Big Island. The stargazing component was amazing, Sam talked us through so many aspects of the night sky. We highly recommend this tour!
via Tripadvisor
Night with the Stars.
Tori and Sass were amazing guides. Tori was very knowledgeable with all the stars and geology of the area. Sass was great listening to our 13yr old son talk her ear off and knew a lot of the history in Hawaii. We had a clear night with all the stars out and Tori had her telescope that really enhanced the experience.
via Viator
Very knowledgeable guide on town and especially the stars
Knowledgeable and friendly guide. Trip includes some interesting site in town and then took us to star gazing site. He knew a LOT about stars. We had a good site to see sky
via Tripadvisor
Good to know
- Duration
- 7 hours
- Free cancellation
- Up to 24h before
- Minimum age to book
- All ages
- Availability
- Bookable today
- Runs on
- Every day
- Hotel pickup
- Available for selected locations
- Booked in 30 days
- 36
- Verdict
- Solid Choice
Why this scores 67
The Outty Ranking is a weighted composite. Here is how this experience performed on each component.
Maunakea Stellar Explorer HILO: questions travelers ask
Practical detail on this experience, plus the wider planning questions for Hilo.
How much does Maunakea Stellar Explorer HILO cost?
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Prices start at $198 per person. The final price depends on the date, the time slot and the number of travelers, and peak weekends in Hilo usually price higher than midweek mornings. Live pricing and remaining availability are confirmed on the booking screen before you pay.
How long does Maunakea Stellar Explorer HILO take?
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Plan for about 7 hours from start to finish, not counting travel to the meeting point. Most travelers leave another 30 minutes on either side so the rest of the day in Hilo is not rushed.
Is Maunakea Stellar Explorer HILO worth it?
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It holds an Outty Ranking of 67 out of 100, which we label "Solid Choice". That score blends traveler sentiment (4.4/5 across 104 reviews), the depth of that review evidence, recent booking momentum, value for money against comparable last minute in Hilo, and how flexible the cancellation terms are.
Can I cancel or reschedule Maunakea Stellar Explorer HILO?
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Yes. Cancel free up to 24 hours before the start time for a full refund. Inside that window the booking is non-refundable, and no-shows are not refunded.
Is Maunakea Stellar Explorer HILO suitable for kids and families?
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Yes, all ages are welcome. Families should still weigh the 7-hour running time, and strollers are easier on the earlier, quieter departures.
How far in advance should I book Maunakea Stellar Explorer HILO?
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Around 36 people booked this in the last 30 days, so popular slots go early. Two to three weeks ahead is comfortable in shoulder season, while summer weekends and holidays in Hilo can sell out a month out. Same-day spots do open up when other travelers cancel, so it is worth checking if you are already in town.
What should I bring or wear?
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Bring photo ID, your booking confirmation on your phone, a refillable water bottle and comfortable shoes. Dress for the weather in Hilo and add a light layer if any part of the 7-hour experience runs outdoors or after sunset.
Where does Maunakea Stellar Explorer HILO start and how do I get there?
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The exact meeting point and directions are on your voucher once you book, and they sit in central Hilo within reach of public transport. Arrive 15 minutes early: late arrivals are treated as no-shows by most operators.
What are the best things to do in Hilo?
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On Outty we rank every Hilo experience on the same 0 to 100 scale, and alongside this one the highest scorers right now include Hawaii Volcanoes, Waterfalls, Beaches & Hilo Highlights Day Tour, Hilo Shore Excursion: Active Volcano, Lava Tube, Waterfall and Gardens, Hilo Shore Excursion: Volcano Safari Lava Caves & Black Sand. The city page groups everything into most popular, highest reviewed, last minute and family-friendly so you can build a day around what actually delivers.
When is the best time to visit Hilo?
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Booking patterns follow the same curve: prices and queues climb in peak weeks, while shoulder season gives you better availability on the top-ranked experiences and more room to change plans.
How many days do you need in Hilo?
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Three full days covers the headline sights without sprinting. A workable rhythm is one anchor experience each morning, such as this one, an unhurried afternoon in a single neighborhood, then a food or nightlife booking in the evening. Five days lets you add a day trip outside the city.
Do I book through Outty or through the operator?
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Outty ranks and explains the experiences, then hands you to Viator to complete the booking with the operator directly. The price is the same as booking on Viator yourself, and Outty earns an affiliate commission on the referral, which is how the rankings stay free to read.
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