Hang Tham Lin Cave: Ha Giang’s Best Swim Stop

Hang Tham Lin Cave is one of the Ha Giang Loop’s more unusual swimming stops, reached by bamboo raft before you swim directly into a vast, unlit cave. This guide covers the raft journey, facilities, swimming conditions, strong currents, and whether it’s worth adding to your itinerary.

With bamboo rafts, refreshing water and a huge unlit cave, Hang Tham Lin is easily one of the most unusual stops on the Ha Giang Loop. But I must say it is pretty fun!

Unlike a typical roadside swim, getting there is part of the experience, with rocks and bamboo platforms to navigate before you reach the water. The cave is completely unlit, and its enormous size only becomes clear once you begin swimming inside.

I visited Hang Tham Lin Cave during my four-day Road Kings tour, while traveling from Du Gia to Meo Vac. After changing beside the motorbike parking area, we climbed aboard a bamboo raft for the ride upstream.

In this guide, I’ll share exactly how the raft journey and cave swim worked, who I think this stop is suitable for, and everything I’d want to know before visiting.

Hang Tham Lin Cave: The Best Swimming Spot On The Ha Giang Loop

Bamboo raft approaching a dark Hang Tham Lin cave entrance surrounded by rocky cliffs and forest — This simple bamboo raft was our transport upstream

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Hang Tham Lin Cave At A Glance

Quick Fact	Hang Tham Lin Cave Details
Location	Along the route between Du Gia and Meo Vac
How I visited	During my four-day Road Kings Ha Giang Loop tour
Time needed	Most tours stay for around one hour, although we spent roughly 90 minutes here
Raft journey	Around 10 minutes upstream to the cave & the same back
Entry fee	100,000 VND / US$4 per raft for up to four people. This was included in my Road Kings tour.
Swimming conditions	Refreshing but slightly chilly, with deep water and a current inside the cave
Facilities	Toilets and changing rooms beside the motorbike parking area, but nothing at the cave
Crowds	Around 30 people during my visit, with plenty of room to spread out
Best for	Confident swimmers who are comfortable in deep water and darkness

What Is Hang Tham Lin Cave?

Hang Tham Lin Cave is a natural swimming cave in the Ngoc Long area of Yen Minh, along the quieter route between Du Gia and Meo Vac.

It forms part of Ban An Stream, with the cave upstream from the main motorbike parking and bamboo raft area.

This isn’t a dry cave where you follow a marked pathway walking past stalactites. The main experience is getting into the water and swimming through its enormous entrance.

Honestly, it feels far less developed than many other caves you may visit in Vietnam which have colorful lights, walkways you have to stick to, and large crowds. You can swim as far inside as conditions allow, although the current will have a big say in just how far that actually is.

Group of travelers riding a bamboo raft toward Hang Tham Lin Cave — All eight of us, one Easy Rider and the raft driver squeezed onto the same raft

How To Get To Hang Tham Lin Cave

Hang Tham Lin Cave is around 27 kilometers from Du Gia, along the quieter southern route between Du Gia and Meo Vac. Though the mountain roads mean the journey takes longer than the distance may suggest.

Trust me, it was a whole lot of ups and downs, and endless curves. I do usually get motion sick in cars, but never on motorbikes. Though, thankfully, we arrived at the cave when we did cause I was struggling so bad.

If you’re visiting as part of a Ha Giang Loop tour, you won’t need to worry about navigating there yourself. We visited on the second day of our Road Kings tour while traveling from Du Gia to Meo Vac, and our Easy Riders took us directly to the motorbike parking area beside Ban An Stream.

If you’re doing the loop independently, you can find Hang Tham Lin Cave on Google Maps, although I wouldn’t rely on it completely. Download the route before leaving, look for signs toward Ban An Stream, and ask locals if you’re unsure.

Bikes are left beside the toilets and changing rooms before you board one of the bamboo rafts for the journey upstream.

Narrow road winding above terraced fields in a mountain valley in Ha Giang — Looking over to some of the roads we just drove up

The Bamboo Raft Ride To The Cave

The bamboo raft ride was easily one of the most unique parts of Hang Tham Lin Cave. Our entire group of eight climbed onto the same raft, along with one of our Easy Riders and the local raft driver, bringing us to ten people in total.

Rather than using an engine or paddles, the driver moved us upstream by pulling the raft along a fixed rope. It was such a simple system, but it worked surprisingly well.

The raft was a little wobbly, especially with all of us onboard, but the ride was slow and actually quite relaxing. It took around 10 minutes to reach the cave, and we remained mostly dry along the way. However, I’d still keep your phone and anything valuable inside a waterproof bag just in case.

Getting on and off was slightly more awkward than the journey itself because you needed to step between the raft, rocks, and bamboo platforms. Take your time here because everything can be wet and slippery.

You’ll also need to keep an eye out for the rafts once you’re swimming. They continue moving people to and from the cave through the same area, and you definitely don’t want to accidentally end up in their path.

Local driver pulling a fixed rope to move a bamboo raft upstream — Our raft driver pulled us upstream by hand using this fixed rope

What Is Swimming Inside Hang Tham Lin Cave Really Like?

Swimming at Hang Tham Lin Cave can be as relaxed or adventurous as you make it.

Most visitors stay in the open water near the entrance, while more confident swimmers can head farther inside, where the daylight quickly fades, and the current becomes much more noticeable.

Either way, the large swimming area gives everyone plenty of room to spread out and enjoy the water.

Bamboo raft beneath the forest-covered entrance to Hang Tham Lin Cave — The short bamboo raft ride made getting to the cave half the fun

Travelers sitting on bamboo rafts in the forested swimming area outside the cave — There were around 30 people here when we arrived, though it never felt too packed

Getting From The Raft To The Water

The raft doesn’t pull up beside a proper jetty where you can simply step off and jump into the water. Instead, it’s a bit more adventurous, where we had to climb from the raft onto a series of tiny bamboo platforms and balance on large boulders.

It wasn’t a long distance, but it was definitely a little awkward. The surfaces were uneven and could become slippery around the water, so this is somewhere you’ll want to take your time and keep both hands free.

Everyone in our group managed it without any major problems, although I can see the setup making some people anxious. It may also be difficult for anyone with limited mobility or poor balance.

We left the belongings we brought with us underneath a small hut on the rocks outside the cave, while anything we didn’t need stayed back beside the motorbikes.

Swimming Into The Cave

From the outside, it’s difficult to tell just how far Hang Tham Lin Cave continues. Once we began swimming farther inside, the daylight behind us faded, and the size became much more obvious.

Most visitors stayed close to the open swimming area, but a few of us decided to see how far we could get. Nobody in our group reached the end, and the current flowing out of the cave became stronger the farther we swam.

I’m definitely no Michael Phelps, and I found myself struggling to move, it was very much 2 strokes forward, 3 strokes back. Eventually, we accepted defeat and turned around.

Thankfully, the same current that made swimming into the cave so difficult made returning incredibly easy. I could stop fighting it and let the water carry me back toward the entrance, which was honestly pretty fun.

It was a really cool experience, but you don’t need to push deep into the darkness if you don’t want to.

If you’re planning the rest of your trip, check out my full Ha Giang Loop review to see what our entire four-day adventure was really like.

Tasha swimming inside Hang Tham Lin Cave on the Ha Giang Loop — Taking a dip at Hang Tham Lin Cave was the perfect way to cool off

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Crowds And Atmosphere

I’d guess there were no more than 30 people at Hang Tham Lin Cave when we arrived. That may sound like a decent-size crowd, but the swimming area was large enough for everyone to spread out.

It felt completely different from Du Gia Waterfall the previous day, where the swimming space was tiny compared to the number of visitors. Here, some people remained around the entrance, others swam into the cave and a few simply relaxed on the rocks.

As the other groups began leaving, the vibe became even better. Eventually, our group had the entire place to ourselves, and we definitely weren’t in any rush to go.

I got the feeling our guide was trying to gently encourage us to move on once everyone else had left, but we were having such a good time that nobody really wanted to get out. Honestly, I could have happily stayed even longer.

Travelers riding bamboo rafts outside Hang Tham Lin Swim Cave in Ha Giang — Heading for a swim at Tham Lin Cave

Jumping Into The Water

A few people were jumping from the rocks inside the cave entrance while we were there. Honestly, it was so freakin high there was no way I was ever going to give it a go.

Plus you definitely couldn’t see if there were any rocks hiding under the water because it was quite murky. Though that didn’t bother these guys, they were doing back flips and everything.

Even if you see other people jumping without any problems, I personally wouldn’t recommend copying them. There is already plenty of space to enjoy the water without adding that extra risk.

Is Hang Tham Lin Cave Safe?

Look, you’re swimming into a huge unlit cave with no life jacket and no lifeguard, so I’m not going to slap a “completely safe” label on it. However, I never felt like I had been thrown into some crazy situation either.

The biggest thing is knowing your own limits.

Most visitors stayed close to the entrance, while a few of us swam deeper until the current became too strong. I struggled, turned around and let the water carry me back out. Simple.

Honestly, the slightly sketchier parts were climbing across the slippery rocks and bamboo platforms, avoiding the moving rafts and watching people jump into water where you couldn’t see what was underneath.

Take your time, keep out of the raft drivers’ way and maybe don’t launch yourself from a rock simply because someone else did it first.

Weather also makes a huge difference. Recent rain can make the current much stronger, so ask the raft driver or your guide about conditions before getting in.

Travelers boarding bamboo rafts beside the river near Hang Tham Lin Cave — Getting everyone settled onto the bamboo rafts before heading upstream

Planning Your Visit

Hang Tham Lin Cave is still a fairly basic stop, so it helps to know what you’re turning up to.

From how long to allow to what you should bring, here’s everything you need to plan your visit.

Entrance Fee And Booking

There isn’t technically an entrance fee for Hang Tham Lin Cave. What you’re actually paying for is the bamboo raft ride that takes you along the stream to the swimming area.

The latest price is 100,000 VND / US$4 per raft. Apparently, that covers up to four people, although our raft had all eight of us, one Easy Rider and the raft driver piled onto it. So take the capacity and price with a grain of salt.

If you’re doing the loop solo don’t worry about needing to book in advance. You can rock up and organize a raft at the dock, but bring cash and confirm the price before climbing aboard.

How Long Do You Need?

Most tours seem to allow around an hour for the entire stop, including the bamboo raft ride. That should be enough for a decent swim, especially if you’re happy staying near the cave entrance.

Our group stretched out our visit because once everyone else left, we basically had the place to ourselves.

By then, our guides were giving off some pretty strong “time to go” energy, but nobody wanted to get out.

Toilets, Changing Rooms And Facilities

There were toilets and changing rooms back at the motorbike parking area before getting onto the bamboo raft. They were pretty basic, but definitely appreciated after swimming.

Once we reached the cave, there were no facilities at all.

We left our clothes and phones beneath a small shelter on the rocks beside the water, while everything else stayed back with the motorbikes.

I recommend changing and using the toilet before boarding the raft, then only taking what you actually need. Remember, you’ll also need to carry everything across those awkward rocks and bamboo platforms.

Tasha Amy smiling at a misty mountain viewpoint along the Ha Giang Loop — Still smiling even though I wasn’t feeling great in the heat and curvy roads

What To Wear And Bring

You don’t need to bring much to Hang Tham Lin Cave, and honestly, the less you carry on the raft, the better.

Swimwear: Wear it underneath your clothes if you want to avoid changing twice, although there are changing rooms beside the parking area.
Quick-dry towel: The water is refreshing, but it can feel pretty chilly once you get out.
Grippy footwear: Water shoes or sturdy sandals would be ideal for crossing the wet rocks and bamboo platforms. Smooth flip-flops are probably not your best friend here.
Waterproof phone pouch: You’ll likely want photos, but between the raft and swimming, there are plenty of opportunities for your phone to get wet.
Drinking water: There is nowhere to buy anything once you reach the cave, so bring enough with you.

Weather And The Best Time To Visit

Weather is a bit of a balancing act here. You want a hot day so the water feels refreshing, but not after several days of rain when the current may be too strong.

I visited in April, and it was absolutely roasting. The water still felt slightly chilly when I first got in, but after hours on the back of a motorbike, it was a perfect refresh.

If I were choosing specifically for swimming, I’d aim for late March, April or October and hope for a run of dry weather. These months should still be warm enough to enjoy the water without visiting during the wettest part of summer.

Bamboo raft floating outside the rocky entrance of Hang Tham Lin Cave in Ha Giang — Hang Tham Lin Cave was much bigger than I expected

Hang Tham Lin Cave Vs Du Gia Waterfall

Having visited Du Gia Waterfall and Hang Tham Lin Cave on back-to-back days, Hang Tham Lin was the easy winner for me.

Both provided a much-needed chance to cool down, but the actual experiences were VERY different.

Situation	Hang Tham Lin Cave	Du Gia Waterfall
Crowds	Around 30 people with plenty of room to spread out	Absolutely packed when we arrived approx 100 people
Swimming	A large area where you can properly swim	The non-jumping area was mostly shallow enough to sit in
Main experience	Bamboo raft ride followed by swimming into the cave	Swimming and jumping from several different heights
Access	A raft ride followed by rocks and bamboo platforms	An easy, mostly flat walk with rocks near the waterfall
Safety	No lifeguards, life jackets or active supervision	A local was managing the highest jump during our visit
Facilities	Toilets and changing rooms beside the motorbike parking	Shops, food and a very questionable makeshift changing area

Hang Tham Lin gave us far more space, a proper swim and an experience that felt completely different from anything else we did on the loop. The fact that we eventually had it almost to ourselves made it even better.

Du Gia Waterfall is much easier to reach and still makes sense if you’re staying in the village that night.

If you’re joining a multi-day tour, my Ha Giang Loop accommodation guide explains what the homestays and private rooms are actually like.

Bamboo raft and swimmers outside the dark entrance of Hang Tham Lin Cave — The cave was pitch black inside, and most people stayed close to the entrance

Cory jumping from the rocks beside Du Gia Waterfall into the pool below — My partner jumping from Du Gia Waterfall

Is Hang Tham Lin Cave Worth Visiting?

Yes, Hang Tham Lin Cave is absolutely worth visiting. I expected it to be a quick place to cool down, but it ended up being an absolute favorite from my entire Ha Giang Loop.

The bamboo raft is a nice little adventure before you even reach the water. Once there, you can stay near the entrance or swim farther inside the cave. You definitely don’t need to disappear into the darkness to make the stop worthwhile.

That said, it won’t suit everyone. The rocks and bamboo platforms are awkward, there are no life jackets or lifeguards, and the current can put up a serious fight.

FAQs About Hang Tham Lin Cave

Can you visit Hang Tham Lin Cave without a tour?

Yes, you can visit without a tour if you’re traveling the Ha Giang Loop independently. The location isn’t super well signposted, so save the map location beforehand and ask locals for directions if needed.

Do you need to be a strong swimmer?

You should be a confident swimmer if you plan to head deeper inside Hang Tham Lin Cave. If you aren’t confident in your swimming abilities I recommend hanging around the cave entrance or on a shallow rock.

Can non-swimmers still visit?

Yes, non-swimmers can still take the bamboo raft and relax on the rocks outside the cave. However, Hang Tham Lin is a swimming cave rather than somewhere you can walk through, so you won’t be able to explore inside.

Tasha standing beside a Vietnamese flag at a mountain viewpoint on my Ha Giang Loop itinerary — Enjoying the incredible views

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Wrap Up: Swimming At Hang Tham Lin Cave

Honestly, Hang Tham Lin Cave was one of those stops I knew nothing about before doing the Ha Giang Loop, but it ended up being one of my favorites.

After hours on the back of a motorbike in the heat, getting into that chilly water felt SO GOOD.

It’s a little rough around the edges, and you need to be honest about your swimming ability once you head farther inside. Though if Hang Tham Lin is included in your itinerary, pack your swimwear and give it a go. I’d happily do it again!

If you’re still sorting out the logistics, my guide to traveling from Hanoi Airport to Ha Giang covers all the different transport options. Or, if Ha Giang is just one part of a bigger trip, check out my three-week Vietnam itinerary for ideas on where to head next.

Any Questions? Let Me Know In The Comments!

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Hang Tham Lin Cave is one of the Ha Giang Loop’s more unusual swimming stops, reached by bamboo raft before you swim directly into a vast, unlit cave. This guide covers the raft journey, facilities, swimming conditions, strong currents, and whether it’s worth adding to your itinerary.

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