Watching 60 Minutes? Here's how to actually book a Son Doong Cave trek in 2026/2027

2027

Table of Contents

What 60 minutes actually showed (and the parts they skipped)
How booking Son Doong actually works
What the trek physically demands of you
When the cave is actually open
Getting to Phong Nha from the United States
What to do if Son Doong is sold out (it is)
Hang Pygmy with Jungle Boss (2 days, 1 night, ~$300)
Tiger Cave series with Jungle Boss (3 days, 2 nights)
Kong Collapse expedition with Jungle Boss (5 days, 4 nights)
Things to know before you commit to any of this
Planning the rest of your Phong Nha trip

So you watched the 60 Minutes segment about Vietnam cave and now you want to go. I know because my inbox has been full of people asking the same thing since March 30th, when Scott Pelley crawled through the world's largest cave passage on national television and made everyone in America simultaneously Google "Vietnam son doong." Chambers tall enough to swallow a 65-story building, sunlight pouring through collapsed roofs into actual jungles growing inside a mountain, and Pelley looking absolutely wrecked the whole time. Hard to look away from that.

And then you probably did what I did the first time I saw Son Doong footage, which is open a new browser tab, type in some variation of "book son doong cave tour" and immediately get confused. Because booking this thing is nothing like booking a flight to Cancun or reserving a spot on some Viator day trip. The 2026 season? Sold out. 2027? Also sold out. If you want inside Hang Son Doong (Mountain River Cave), you're realistically looking at 2028, and the planning starts now. Not later. Now. I'll walk you through all of it, including what you can do in Phong Nha this year if waiting two more years sounds unbearable.

Clarification about tour length: Oxalis offers Son Doong as a 6 day/5 night package, but the actual expedition itself is 4 days and 3 nights. Day 1 is arrival in Dong Hoi/Phong Nha, the mandatory safety briefing, gear check, welcome dinner, and hotel stay before the trek begins. Day 6 is breakfast, check-out, and transfer back to Dong Hoi airport or train station. So throughout this article, when I say the Son Doong tour is 4 days, I’m talking about the actual trekking and cave expedition, not the full arrival and departure package.

Adventure group standing on boulders overlooking an underground beach campsite and emerald pool inside Son Doong Cave on a guided expedition in Phong Nha Ke Bang Vietnam.

What 60 minutes actually showed (and the parts they skipped)

The CBS crew filmed inside Son Doong over four days in January 2026. Nine people total. Pelley described it as one of the most physically demanding assignments of his entire career, and this is a man who's reported from war zones, so take that for what it is.

What they captured on camera is real, and that's almost the problem, because the footage looks so unbelievable that your brain files it next to CGI or well you can say AI as we are already in 2026 where all it takes is a couple lines of prompts to generate a life like video! Son Doong has passages wide enough for a Boeing 747 to fly through without clipping a wing. Stalagmite formations that look like some ancient civilisation built towers underground and then abandoned them. Two places where the cave ceiling collapsed millennia ago, called dolines, and sunlight pours through those gaps and entire jungle ecosystems have grown inside the cave. You're walking through the guts of a mountain and then suddenly you're in a forest. With its own clouds. Inside a cave. Sounds pretty good now, doesn’t it?

Expedition inside Son Doong Cave, Vietnam, showing the first doline with sunlight illuminating lush green vegetation and limestone formations.

What the cameras couldn't really show you is how miserable the approach is. A day and a half of dense jungle trekking before you even see the cave entrance. Something like 20 river crossings where the water's up past your waist. Then you rappel down a 90-meter wall they call the Great Wall of Vietnam, which sounds dramatic until you're actually dangling there. The 60 Minutes edit made it look cinematic and sweeping. In reality your legs are shaking, your shirt hasn't been dry since the morning, and there's a solid twenty minutes where you're second-guessing all of your life choices…eh maybe that desk job wasn’t that bad afterall haha. And then you look up inside the first chamber, and every cathedral you've ever walked into suddenly looks like a garden shed. That emotional whiplash, the misery to awe pipeline, is apparently what makes people call it the best experience of their lives.

How booking Son Doong actually works

One company. Oxalis Adventure. They hold the exclusive government license to operate inside Son Doong and nobody else is authorised. I see random travel agencies pop up claiming to sell Son Doong spots and it drives me nuts because someone's going to get scammed. If the booking isn't through oxalisadventure official website, walk away.

Three thousand dollars (USD) per person. I typed that and stared at it for a while the first time too. But before you close this tab, know what that $3,000 covers: airport pickup from Dong Hoi, accommodation before and after, every single meal during the four day expedition (we're talking restaurant quality food cooked inside a cave, which I know sounds absurd and yet), professional guides, caving experts, safety assistants, porters who carry the heavy gear, chefs, all the specialised equipment (helmets, harnesses, headlamps), and the national park fees. You basically show up with your fitness and your clothes and Oxalis handles the rest. When you break down the cost per day including the 30 plus staff they put on each expedition for roughly ten guests... it starts making a different kind of sense. Like hiring a private film crew to take you to another planet for 4 days.

Powerful sunbeam cutting through the ceiling of Son Doong Cave to spotlight layered green terraces and a small caver exploring the world’s largest cave in Vietnam.

Only 1,000 people per year get to go. The Vietnamese government set that cap to protect the ecosystem, and given how fragile cave environments are, I actually think it's smart. But it also means demand is just absurd, especially now that 60 Minutes sent it to every living room in America. Tours typically sell out 8 to 12 months before departure. Both the 2026 and 2027 seasons are completely gone.

So if you're serious, you need to camp on the Oxalis website and wait for 2028 registration to open. When it does, book immediately. Don't sleep on it, don't forward the link to your friend group text and wait three days for opinions, don't think about it over the weekend. That weekend will cost you two years. Spots disappear within weeks of opening.

The application itself requires a detailed health and fitness history, and their technical team actually reviews it. They will turn people down, and I've heard it genuinely upsets some folks. But the alternative is somebody's knees giving out 15 km into the jungle inside a cave with zero cell service and the nearest hospital a helicopter ride away. The screening exists for a reason so please don’t take it personally if they reject you, it's for your own good. Discuss with their customer service before any further planning and booking!

Solo explorer standing on moss covered limestone terraces inside Son Doong Cave near the famous Green Gours formation in Phong Nha Ke Bang Vietnam.

What the trek physically demands of you

I want to be direct about this because the 60 Minutes segment inevitably makes people think that looks amazing, I should do it without fully registering what their body would go through. This is 25 to 30 km of total trekking over four days, through a jungle that fights you the entire way. River crossings where the water's at your chest. Rocky, slippery terrain where spraining an ankle isn't a hypothetical, it's the thing the guides are actively working to prevent.

Expedition team navigating the massive chambers of Son Doong Cave in Vietnam, heading toward the Great Wall of Vietnam landmark.

You need to be between 18 and 70, you need prior trekking experience (actual multi-day hiking, not just walks in the park), and honestly you need the kind of baseline fitness where a 5K run doesn't wreck your week. A guy who did the expedition put it this way: probably the best money I've spent on any trip, particularly when you take into consideration the logistics of such an expedition, 30 plus staff to ten participants. The way he phrased that stuck with me, because it captures both sides of it. It's incredibly hard and incredibly worth it, and those two things are connected rather than despite each other.

Inside the cave the temperature hovers around 22-25°C which seems a perfect range of temperature but the humidity is oppressive and the surfaces are slick. You swing between jungle heat and cave cool all day and it messes with your body temperature more than you'd expect. Porters handle the camping gear and food but your day pack stays on your back the whole time.

There are three campsites inside the system and waking up at them is apparently the part that breaks people's brains. The photos from those campsites look like concept art for a movie that doesn't exist yet. And then the food, which has no business being as good as it is given that a chef is literally cooking inside a mountain with supplies porters carried in on their backs. A google review I read described it as restaurant quality, which, in a cave? I don't know how to process that and I've been thinking about it for weeks.

Misty morning inside Son Doong Cave with glowing expedition tents pitched on rocky ground beneath a towering entrance arch in Phong Nha Ke Bang National Park Vietnam

When the cave is actually open

Late January through August. The rest of the year it floods. And when I say floods, I mean the underground rivers that create calm turquoise pools in every photo turn into raging water that fills entire passages. September through December, the cave is completely closed and the entrance is impassable.

February to April is the sweet window: lower humidity, less rain, the river inside the cave is at manageable levels. May through August works but surface temperatures push 35°C plus so the daily trekking gets harder, though the cave stays cool enough that ducking underground starts to feel like air conditioning.

For Americans planning the trip, budget two full weeks in Vietnam minimum. The Son Doong expedition alone eats four days, and your legs will demand at least a day or two of doing absolutely nothing afterwards. I'm not being dramatic. People describe the recovery day in Phong Nha town as one of the best parts, when a cold beer and a plastic chair feel like the Four Seasons.

Getting to Phong Nha from the United States

Panoramic aerial view of Phong Nha town and the Son River winding through karst mountains at sunset in Phong Nha Ke Bang National Park Vietnam, gateway to Son Doong Cave tours.

There's no shortcut here. You fly into Hanoi (Noi Bai Airport) or Ho Chi Minh City (Tan Son Nhat), then grab a domestic flight to Dong Hoi, the gateway city for Phong Nha. Under two hours from Hanoi on Vietnam Airlines or VietJet Air. Dong Hoi's a small airport, the kind where you walk across the tarmac to the terminal.

From Dong Hoi it's about 45 minutes by car to Phong Nha town, which is actually called Son Trach but literally nobody calls it that. Oxalis includes the airport pickup in their package so that leg's covered. If you're exploring on your own before or after the trek, just arrange a transfer through your hotel because there's no Uber out here and taxis aren't exactly abundant. But there is one very good option which is Uber of Vietnam called Grab taxi which is as reliable as Uber and pretty popular in most of southeast Asian countries.

That drive from Dong Hoi to Phong Nha is the moment the trip shifts gears. Flat farmland gives way to limestone karst mountains that just erupt out of rice paddies with no warning, like someone dropped a mountain range into a painting of the countryside. Water buffalo on the road. Kids on bikes. My first time on that road I pressed my face against the car window like I was eight years old and I have absolutely zero shame about it.

What to do if Son Doong is sold out (it is)

OK this is the fun part and I am sure plenty of Americans might be searching for Son Doong alternatives in Vietnam! You can't get into Son Doong until 2028 at the earliest. I know. I'm sorry. But this is the part where I tell you that the cave you saw on 60 Minutes is the most famous one in Phong nha, not the only one, and frankly not even the only one that'll rearrange your understanding of what the earth contains.

High viewpoint looking down into the dramatic entrance shaft of Son Doong Cave with tiny orange tents glowing on the rocky floor far below in Vietnam

Jungle Boss Tours operates out of Phong Nha and runs expeditions into cave systems that most Americans have never heard of. And the one that I keep coming back to is the Hang Pygmy Exploration.

Hang Pygmy with Jungle Boss (2 days, 1 night, ~$300)

Hang Pygmy is the fourth largest cave in the world. Not the fourth largest in Vietnam. Fourth largest on the planet.
For about $300 you get two days of jungle trekking, overnight camping, swimming through underground rivers, and exploration of both Hang Pygmy and Hang Over cave. When you stand inside Pygmy your headlamp just... gives up. The beam can't reach the ceiling or the far wall. Your voice doesn't echo, it gets absorbed like the cave is swallowing the sound. I had someone describe entering Pygmy as the closest thing to walking onto another planet without leaving earth and as much as that sounds like marketing copy, I've never heard anyone come back and disagree.

$300 for this sits in a different universe of accessibility than Son Doong's $3,000 - two legendary caves, two very different price points, both absolutely worth it.

Tiger Cave series with Jungle Boss (3 days, 2 nights)

Three caves across three days: Tiger Cave, Hang Over, and Hang Pygmy. You camp at Kong Collapse, which is a massive sinkhole surrounded by jungle, and you trek something called the Dinosaur's Spine. I assumed that was a cute name. Then I saw photos and the ridge looks exactly like a dinosaur's spine. Naming conventions in Phong Nha are refreshingly literal.

This one gives you the full scope of the cave system without the Son Doong sticker price or the multi-year booking window, and the camping at Kong Collapse alone is worth the trip.

Kong Collapse expedition with Jungle Boss (5 days, 4 nights)

This is where things get serious. Five days, technical rope training, a 100-meter rappel down into the Kong Collapse sinkhole, and then the full Tiger Cave system including Hang Pygmy. You need to be genuinely comfortable with heights and technical rope work. Jungle Boss classifies it as extreme (Level 6 which is the highest difficulty) and after looking at the itinerary I agree with that classification completely.

The people who do this one tend to come back a little different. Quieter about it, somehow. Like they saw something that resists being Instagrammed and they're still working out how to talk about it. Two nights at the Jungle Boss Travelodge are included before and after the expedition, which your body will be thankful for in ways you can't currently imagine.

Note: Looking for other alternatives to Son Doong which are provided by Oxalis? Then some other good options are Hang En cave, Tu Lan cave, Hang Tien trek and Hang Va cave tour.

A high-angle view of a vast limestone cave chamber in Hang En, Vietnam, featuring a sandy beach with several colorful camping tents next to a turquoise pool.

Things to know before you commit to any of this

Bathrooms in the cave are... well, you're in a cave. A wilderness cave and there is no sugar coating it. Adjust expectations accordingly or pick a different vacation.

Leeches are an annoyance. Especially during the jungle trekking portions. Thick, calf-length woven socks are your primary defence line. I once watched someone put on ankle socks for the trail and three different guides winced simultaneously. The leeches aren't dangerous (unless you have an allergy to them which can be serious), they're just unpleasant and persistent, and ankle socks are basically a dinner invitation.

About the boots: both Jungle Boss and Oxalis provide trekking boots as part of the tour. They work for most people. If you've got wide feet or any kind of ankle thing, bring your own waterproof boots as a backup. Your shoes are going to get destroyed no matter what so please pleaaaaseeee don't bring anything you're attached to.

Once you leave Phong Nha town there is nothing. No cell signal, No Wi-Fi, No way to post from inside the cave (thank god for that!). Just you and 400 million year old limestone and whoever you're trekking with. I recognise that some of you read that sentence and felt excited and others felt slightly panicked and I don’t blame you as I think both reactions reveal something useful about whether this trip is for you.

The guides at both Oxalis and Jungle Boss are universally the thing people bring up first when they talk about these treks. Not the caves, not the scenery, the guides. People who can get you over a slippery 45 degree scramble while making you laugh, who carry extra water just in case without being asked, who've been navigating these cave systems so long they move through them like it's their living room. Another tripadvisor review I read of one woman who did the trek described the porters as the most kind hearted people and her guide as someone who made a brutal day feel fun, which I think says something about the calibre of humans working these expeditions. Staff to guest ratios run around 3 to 1. That's not a luxury markup. In caves this remote, with conditions this unpredictable, it's a necessity.
I am not exaggerating here about porters and the insane work they do and you could just say well that's their job and they are paid for it. I know it's their job but trust me when you see the conditions and the effort they put into it, you will agree with what I am saying!

Planning the rest of your Phong Nha trip

Don't fly all the way from the US and just do one cave tour. That's like going to Yellowstone and only looking at Old Faithful from the parking lot. Spend four or five days in the Phong Nha area. Maybe do a Jungle Boss day trek first to calibrate your body and your expectations, then take on one of the bigger multi-day Phong Nha tour with either operator. A lot of travellers pair an Oxalis tour with a Jungle Boss tour because the two companies cover entirely different cave systems and between them you'll see more underground landscape than most people encounter in a lifetime.

Phong Nha town (Son Trach) is small. Dusty. Maybe fifteen restaurants, most serving cold Bia Ha Noi and home cooked Vietnamese food that costs less than your morning coffee back home. Jungle Boss has a travelodge in town with decent rooms and a pool, which sounds ordinary until you've been sleeping on a cave floor for three nights and then suddenly a pool feels like the single greatest invention in human history. A few guesthouses and homestays round out the options.

Book directly through the operators. Always. Third-party travel agents add nothing except a layer of confusion and sometimes a markup. You want to be talking directly to the people who are going to take you underground.

Frequently Asked Question

01
Can I still book Son Doong for 2026 or 2027?
No. Gone. 2027 is gone too. Get on the Oxalis website and wait for 2028 dates to drop, then book immediately. Or you can leave your email with their sales team and ask them to notify you whenever they get a booking cancellation from any customer. You can always book alternative cave tours in Phong Nha like Kong Collapse or Tiger cave!
02
How many days is the Son Doong Cave tour?
Oxalis lists Son Doong as a 6-day, 5-night package, but the part most people mean when they talk about the tour is the 4-day, 3-night expedition itself. The extra two days are basically the bookends: Day 1 is arrival, safety briefing, gear check, and dinner in Phong Nha, and Day 6 is breakfast, check-out, and transfer back to Dong Hoi. So the actual time spent trekking and exploring Son Doong is 4 days
03
How much does the Hang Son Doong tour cost?
$3,000 (USD) per person. That covers transport from Dong Hoi, all accommodation, every meal, guides, safety team, porters, chefs, equipment, and park fees. Nothing extra once you've booked.
04
Is it worth three thousand dollars?
I went back and forth on this for a while. Three grand is real money. But every single person I've spoken to or read about who's done it says the same thing, and the unanimity is kind of remarkable: it's the best money they ever spent on travel. Four days, 30-plus staff for ten guests, meals cooked underground that taste better than they have any right to. If that would cause you genuine financial strain, the Phong Nha region has caves at $300 that'll still restructure your understanding of the planet, and there's no shame in that at all.
05
Do I need caving experience to do Son Doong?
You don't need to have been in a cave specifically, but you need meaningful outdoor experience. Multi day trekking, comfort with heights, willingness to be soaking wet for hours. Oxalis reviews every applicant's fitness history and turns down people who aren't physically ready. From what I gather, the rejection rate isn't huge, but it does happen, and they don't budge on it.
06
What are the best alternatives if Son Doong is booked out?
Hang Pygmy through Jungle Boss Tours. Fourth largest cave in the world, around $300 for the two day Phong Nha tour. Tiger Cave Series and the Kong Collapse expedition are the other two I'd look at. These aren't tourist attractions with walkways and signs just so I am clear. They're actual jungle expeditions where you camp, swim through underground rivers, and rappel into sinkholes.
07
Best time to visit Phong Nha?
February through April. Lowest rain, comfortable temperatures, manageable river levels inside the caves. May through August is doable but hotter on the surface. September through December everything closes because of monsoon flooding.
08
How do I get there from the US?
Fly to Hanoi or Ho Chi Minh City, grab a domestic flight to Dong Hoi (under two hours from Hanoi), then it's 45 minutes by car to Phong Nha. There are no direct international flights into Dong Hoi.
09
Is it safe to do the Son Doong cave tour?
Both Jungle Boss and Oxalis maintain obsessive safety standards because the environment demands it. Equipment inspection before every trek, life jackets in every water section, harnesses for any climbing or rappelling. The staff to guest ratio of 3:1 exists specifically because the caves are remote and medical facilities are far away. These operators have strong safety records, but they also aren't shy about telling you this experience carries real physical risk, which is exactly the kind of honesty I want from people I'm trusting underground.