Do You Have to Hike to Get to Thurston Lava Tube?

Wondering if you have to hike to Thurston Lava Tube in Hawaii Volcanoes National Park? The answer is YES, but it’s more of a casual stroll.

Thurston Lava Tube (Nāhuku) is an easy, fun, and quick walk and is a must visit for first-timers in the park.

I’ll show you what to expect so you’ll feel prepared to take this hike yourself no problem!

me wearing pink sunglasses on my head, with lush ferns and a dark thurston lava tube entrance in the background
Me at Thurston Lava Tube entrance

Exploring Thurston Lava Tube

Length: 0.5 miles
Time: 10-15 minutes
Difficulty: Easy
Handicap Accessible? Yes

Besides Kilauea Crater, I would argue that Thurston Lava Tube is the most popular stop in Hawaii Volcanoes National Park.

It’s an easy, quick walk with minimal decline/incline, great for lazy hikers like me.

You get a fascinating look at Jurassic-sized ferns and tropical foliage, enjoy the songs of endemic birds, and walk through a natural tunnel formed by flowing lava.

A pedestrian crossing leads to a group of people and an information signboard at the edge of a lush forest park
Thurston Lava Tube trailhead from the road

From the trailhead, the loop trail offers a choice to go left or right. Technically going to the right is the entrance, but you could go left if you wanted.

A cautionary sign for 'Lava Tube Entrance' with symbols for steep descent, darkness, and slippery surfaces, next to an older individual descending a path with handrails.
Trail beginning from the right of the trailhead

I recommend going right to move with the flow of traffic and to get the (minimal) decline/incline out of the way first.

Group of people walking on a forest trail with dense fern undergrowth and towering green foliage on a bright day.
Walking down the declined paved path

This direction takes you on a paved path that winds gently downhill and then slightly uphill through a lush tropical forested pit crater.

Strollers and wheelchairs can make it down.

me in a white tank top and pink sunglasses pointing upwards, with a blurred background of bright green giant ferns.
Me feeling cool under the tree-like ferns above

The trail is flanked by towering ferns that, for some reason, makes me feel like a velociraptor will pop out at any moment.

The path leading to a dark cave entrance, secured by metal handrails, set amidst a dense forest with lush ferns
The path leading towards the entrance to the cave

After only a couple of minutes you come upon the large entrance to Thurston Lava Tube.

Wooden walkway leading into the shadowy entrance of nahuku thurston lava tube  with water trickling down from above amidst a dense, verdant forest
Wooden bridge leading to Thurston Lava Tube opening

A wooden bridge crosses over a pit and into the heart of the lava tube.

me with pink sunglasses on my head, standing before the entrance to thurston lava tube
Me snapping a selfie at the cave entrance before entering

💁‍♀️ Tab’s Trip Tip: This the best, and most common, place to take your group photo with the lava tube as the lighting inside won’t be bright enough.

Illuminated interior of nahuku thurston lava tube with orange lighting enhancing the rough textures of the walls
Moody orange lights inside the lava tube

Once inside, the now dirt trail is illuminated by dim orange lights that cast a soft glow on the path. I always feel like I’m walking in the ride line for Indiana Jones at Disneyland 🤠.

While it’s enough light to walk by, I’m surprised they can get away with how dark it actually is. There are a couple of sections where I feel like I’m stepping blindly and hoping I don’t hit anything.

But don’t worry, there’s enough ceiling clearance, even for tall people. No ducking needed!

It’s pretty cool walking through a tunnel that used to be filled with a flowing river of hot lava.

As you’re walking through the lava tube, you’ll realize two features that differentiate it from a limestone cave:

  • They don’t have stalagmites or stalagmites
  • Because lava is porous, it absorbs sound so there are no cave echoes.

Another thing to be aware of is because lava is porous, there are always puddles along the trail from drips coming from the ceiling. I can usually see and avoid most of them except for one at the very end that gets me every time because it’s in a spot that the light doesn’t shine on.

Visitors climbing steep stairs inside a dimly lit lava tube cave, with bright artificial lights highlighting the rock walls
Stairs leading out of the lava tube

The walk through the lava tube is relatively short.

I feel like just as soon as my eyes start adjusting to the light and I start to embrace the cave-y feeling, the outside light is shining down on the stairs leading back up to the real world.

If you have a stroller or wheelchair, you’ll need to backtrack the way you came instead.

Stairs leading up to a gate within thurston lava tube cave, with a warning sign visible, surrounded by green moss and lit by a soft light
Uneven stone steps leading up and out

Once you walk up the stairs out of the cave, you’re back to a paved, flat trail through the forest that returns to the trailhead within a few minutes.

A serene pathway curving through a dense tropical forest with tall trees and lush underbrush.
Nearly flat paved path through the forest back to the trailhead

When there are no other people around, I find this section of the trail to be a good place listening to the birds.

restroom cabin with a dark roof nestled among vibrant green ferns and trees in a sunny forest setting
Restrooms (with plumbing) near the trailhead

At this end of the trail you’ll find relatively clean restrooms off to the right (open 9am-5pm).

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Preparing for Your Visit

me in a yellow shirt and blue shorts walks towards a dark thurston lava tube cave entrance surrounded by lush green ferns and foliage.
Me walking across the bridge into Thurston Lava Tube

Best times to visit Thurston Lava Tube

Hawaii Volcanoes National Park is open 24/7 so you can visit Thurston Lava Tube whenever you want.

The best times to visit are early in the morning or later in the afternoon to avoid the crowds.

If you want a more unique experience, you can experience the lava tube in the dark

From 8:00am to 8:00pm Thurston is illuminated, but between 8:00pm to 8:00am the lights turn off and you can walk through with your own flashlight.

Entrance fees

Thurston Lava Tube is located inside Hawaii Volcanoes National Park. There is an entrance fee to get into the park, which contributes to the maintenance and preservation of the park’s natural and cultural resources.

  • Private Vehicle – $30.00 (good for 7 consecutive days)

If you arrive at the park entrance and find it unstaffed, you can either purchase an online pass or pay at the entrance at a later time.

Other passes that work:

thurston lava tube's exit framed by a natural archway, with stairs leading up to the daylight and lush greenery outside.
Stairs leading up towards daylight out of the cave

What to Bring

From the Nāhuku Thurston Lave Tube trailhead, the path is only about a 0.5-mile loop, and most of the trail is paved, so not much gear is needed.

However, things to consider bringing would be:

  • Walking shoes – the trail has paved inclines and Thurston Lava Tube itself is gravely and puddley, so wear shoes you can walk confidently in and don’t mind getting a little wet.
  • Camera – obviously you’ll want to take pictures of and with this famous lava tube
  • Flashlight – if you explore at night the lights are turned off so you’ll need light. But even then, the lights inside the tube are quite dim. If you already have poor eyesight, you might want to consider bringing extra light anyways.

Basically, whatever you are wearing and bringing for the day is all you need to be wearing to walk this easy path.

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    Parking

    Parking for Nāhuku Thurston Lave Tube can be a little daunting and confusing.

    Most guides will tell you to park at the Kilauea Iki trail parking lot because that is the first parking option and because of that, this parking lot tends to get full. But, you have the option to wait for someone to pull out or circle around until spot opens up.

    I don’t like this option because of the crowds and also because it makes the hike for Thurston Lava Tube 1.5 miles instead of 0.5 miles as you have to walk a forested trail along the Kilauea Iki Crater to get to the Thurston trailhead.

    The best option is parking at the Nāhuku Thurston Lava Tube trailhead. There are a ton of diagonal parking spots on the road side.

    I’ve rarely had issues with this.

    A parking lot lined with cars adjacent to a forested area, with clear road markings and a pedestrian crosswalk.
    Angled parking at the trailhead along the road

    🎲 But Here’s the Gamble: if all those parking spots are full, you can’t easily wait for a car to pull out or easily circle the area. It’s basically a one way.

    You’ll have to drive about a mile down the road to turn around at the Pu’upua’i driveway, drive back, pass Thurston trailhead, and turn around at Kilauea Iki trail parking lot and try again.

    Your other option is just continue on down Chain of Craters Road and then hit Thurston Lava Tube on the way back.

    Other practical tips

    A few other tips to keep in mind when visiting Hawaii Volcanoes National Park are weather and park alerts and transportation.

    🌦️ Weather – I’m always surprised how much cooler the park is compared to the rest of the island. It’s at 4,000ft elevation and temperatures typically range from high 60s to as low as the 30s in the evenings.

    I suggest dressing in layers when visiting the park and also be prepared for the potential of rain.

    🚙 Transportation – you will definitely need to rent a car to explore the park. Not only is the entrance 40 miles from Hilo or 80 miles from Kona, once you get into the park there’s over 20 miles of road within the park.

    The public Hele-On bus will drop you off at the park entrance but there is no public transportation/shuttle within the park.

    If you don’t want to drive yourself,
    consider taking a guided tour of Hawaii Volcanoes National Park

    🚨 Park Alerts – Kilauea is an active volcano and things can happen at any moment. Be aware of any park alerts and closures by checking the NPS current conditions .

    Lush green ferns and tall trees flank a wooden walkway heading towards the mouth of a thurston lava tube with orange lights inside visible.
    Wooden bridge into Thurston Lava Tube

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    Beyond Thurston Lava Tube – Other Attractions in Hawai’i Volcanoes National Park

    Of course, there are a ton of other attractions besides Thurston Lava Tube to make your visit to Hawai’i Volcanoes National Park a lot more worthwhile.

    selfie of me with pink sunglasses on top of my head and wearing striped tank with lava fountain in distance behind me
    Lava selfie!

    Other must-see spots in the park

    Steam Vents – the warm volcanic activity below warms up rain that seeps through the ground and turns it into steam where it escapes through vents

    Kilauea Crater Overlooks – look into the crater that’s living and breathing; hopefully there is active lava when you visit

    Kilauea Iki Trail – a popular 4-mile roundtrip hike around and across Kilauea Iki Crater (different from the main crater)

    Chain of Craters Road – an almost 20-mile road down to the ocean with many stops at various volcanic craters and hiking trails

    Pu’u Loa Petroglyphs – short hike across lava to a boardwalk to see ancient Hawaiian petroglyphs in etched in the rocks

    Holei Sea Arch – at the end of the road the last attraction in the park to see is the sea arch that is slowly eroding and won’t be around forever

    There are many various trails for hiking and other sites to explore and you could easily spend a full day (or more) inside the park.

    You Might Also Be Interested In:
    The Kahuku Unit in Naalehu offers more hiking trails that are also part of HVNP, but entrance is free.

    Visitor Information

    Accommodation options near Hawai’i Volcanoes National Park

    There’s a variety of accommodations in and around the park to suit every budget.

    • Volcano House – sleep on the rim of Kilauea caldera, with views of lava (when it’s erupting) right from room!
    • Bamboo treehouse – sleep 14ft above the ground surrounded by ohia trees, huge ferns, tea leaves, banana trees, liko lehua, and colorful flowers waking to the sweet sound of tropical birds in the morning.

    Dining recommendations in the area

    There are a few dining options in the Volcano area, both in the park and in the nearby village.

    • Uncle George’s Lounge – casual dining at Volcano House with views looking into Kilauea Crater
    • Kilauea Lodge Restaurant – island infused menu sourcing from at least 17 local growers and farmers
    • Tuk Tuk Thai Food Truck – to-go Thai curries, stir fries, appetizers and more

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    FAQs

    What’s a lava tube?

    Lava tubes are natural formations created when the outer layer of a lava flow cools and solidifies while the molten lava beneath continues to flow, eventually draining away and leaving a hollow tunnel.

    How was Thurston Lava Tube discovered?

    Lorrin Thurston was an American-Hawaiian lawyer, politician, and businessman involved in the revolution to replace Queen Liliʻuokalani with the Republic of Hawaii. He and his dad were hiking in the park, found a crater, climbed a lehua tree that was hanging over it to get a better look and saw the cave down below.

    What does Nāhuku mean?

    Nāhuku in Hawaiian means “the protuberances”.

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