REVIEW · REYKJAVIK
Lava Tunnel & Caving Adventure
Volcanic rock hides a wild side of Iceland. This private lava tunnel and caving tour takes you from Reykjavik into remote lava fields, where you hike for about 45 minutes, gear up, and spend roughly two hours inside a natural lava tube. I like the small-group format, limited to your own party of up to five, and I like the flexible return trip, which may include a secret hot spring. The main concern is the physical effort: rough ground, a long day, and no included hiking boots.
I also like that snacks, water, caving equipment, private transport, and hotel or airport pickup are included. Thomas receives especially warm praise for his planning, flexibility, transport, equipment, and care. Still, the $1,316 group price is a serious outlay unless you can fill all five places, and the tour requires good weather.
Key points at a glance

- Remote lava cave: You leave the usual sightseeing route and hike through Icelandic lava fields to a cave that is not part of the standard Golden Circle circuit.
- Private group of up to five: Your party has its own vehicle and guide, with more room for questions and adjustments than on a large coach tour.
- About 45 minutes on rough ground: The cave is not reached by a paved path or a short roadside walk, so sturdy footwear and reasonable fitness matter.
- Two hours underground: Expect lava tubes, volcanic rock formations, stalagmites, stalactites, and the chance to see delicate lava hair, also called Pele’s hair.
- Optional wild hot spring: The return journey may include a bath in a natural spring, but you must bring a towel and be ready to change outdoors without toilets or changing rooms.
- A full eight-hour outing: Allow about two hours each way between Reykjavik and the cave area, plus the hike and underground visit.
Why this cave trip feels different
Iceland has no shortage of tours. Many take you to waterfalls, black sand beaches, or famous geothermal sites. This one asks more of you, but it also gives you a closer look at how Iceland was made.
The appeal is not a polished visitor center or a short walk to a marked viewpoint. You travel into the lava fields near Borgarnes, walk over rough ground, and enter a natural cave with a private guide. That gives the day a more personal, less packaged feel.
The cave itself is the main event. Inside, you may see lava tubes, volcanic rock formations, stalagmites, and stalactites. You might also spot Pele’s hair, fine glass-like strands formed when molten lava stretched and cooled during an eruption. It is a small detail, but it helps you notice the fragile textures that are easy to miss when you simply look across a lava field from a road.
This tour suits you best if you enjoy geology, quiet outdoor experiences, and a bit of physical challenge. If you want easy access, warm indoor facilities, and a short walk from the vehicle, choose another Iceland excursion.
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Leaving Reykjavik for the Borgarnes area

Pickup begins at 8:30 a.m. from your chosen location in Reykjavik, Keflavik Airport, or a cruise terminal. The driver guide contacts you on arrival, and the tour begins from that pickup point unless you arrange another start time.
The drive to the cave takes about two hours. That is a large part of the day, but it also explains why this is not an ordinary city excursion. You are going far enough from Reykjavik to reach a quieter volcanic area rather than stopping at a crowded roadside attraction.
There is a short restroom stop along the way. You can also buy lunch or snacks at that point, since lunch is not included. Snacks and bottled water are supplied, which is helpful, but I would still plan ahead for a full day outside. A simple packed lunch gives you more control than relying on a brief stop.
The ride takes place in an air-conditioned vehicle with Wi-Fi. Private transport matters here because you are carrying outdoor clothing and caving equipment, and because your group does not have to follow the pace of a large bus.
The 45-minute walk to the cave

When you reach the site, the cave is not right beside the vehicle. You walk for around 45 minutes across rough terrain to reach the entrance.
That walk is part of the experience, not just a delay. You get a better sense of the lava field before going underground, and the ground itself prepares you for the cave. Volcanic terrain can be uneven, so I would treat the stated moderate fitness level seriously.
The operator does not include hiking boots or walking shoes. Wear footwear with a firm sole and good support. Casual trainers may leave you uncomfortable on rough ground, especially after the two-hour cave visit and the return walk.
The trip also excludes a warm layer, hat, and gloves. Icelandic weather can shift quickly, and a cave outing often feels cooler than a normal sightseeing stop. Bring clothing you can layer rather than depending on one heavy coat.
Putting on safety gear underground

At the cave entrance, you put on the supplied caving equipment before entering. That is a useful inclusion because buying or packing specialist equipment for one excursion would be inconvenient.
You spend about two hours exploring the lava tube with your guide. This is where the private setup earns its keep. Your group can ask questions as you go, pause to look at formations, and receive explanations suited to your interest level.
The cave is a natural space, not a built attraction. Expect uneven surfaces and a setting that requires care. The supplied information does not give exact details about ladders, crawling, or narrow passages, so you should ask EV Travel about the cave’s specific route before booking if you have mobility concerns.
The sights may include stalactites and stalagmites, although these volcanic formations are part of a wider mix of lava features. You will also see the rough walls and textures left by flowing molten rock. The point is not simply to enter a hole in the ground. It is to understand the stages of an eruption through the shapes left behind.
Pele’s hair is another possible find. These delicate strands look like fine glass fibers and form when lava is pulled into threads as it cools. They are fragile, so you should expect to look rather than touch.
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What the private guide adds

Only your group takes part in this private activity. That makes a real difference in a cave, where a large crowd can make conversation and careful viewing difficult.
Thomas is the guide name connected with the strongest praise for this experience. His strengths are described in practical terms: careful planning, strong knowledge of Iceland, good transport and equipment, and flexibility when plans need adjustment. That matters on a weather-dependent outdoor day.
I would not book a private tour simply for the label. I would book it here because the route includes a rough walk, specialist gear, and a remote cave. A dedicated guide can help your party move safely and make better use of the limited underground time.
The private format is also useful for mixed-ability groups. You can discuss the pace and the level of challenge in advance. It does not remove the physical demands, but it gives you a better chance to understand them before you commit.
The optional hot spring on the way back

After the cave, you return toward Reykjavik. There may be a stop at a secret hot spring for bathing.
This is an appealing extra because it turns a strenuous outdoor day into something restorative. Soaking in warm water after walking over lava and spending time underground could be a memorable finish.
You need to bring your own towel. The spring is wild, with no toilets or changing rooms, so you must be comfortable changing outdoors. This is not a spa visit with lockers, showers, or a changing area.
The spring is also described as a possibility, not a guaranteed stop. Weather, timing, and conditions may affect the plan. Pack your swimsuit and towel, but treat the bath as an optional bonus rather than the reason to book the tour.
Is $1,316 a fair price?

The listed price is $1,316 per group for up to five people. At a full group of five, that works out to about $263 per person. For two people, the effective price rises to $658 each, so group size has a major effect on value.
The price includes private transportation, an air-conditioned vehicle, Wi-Fi, snacks, bottled water, all fees and taxes, and caving equipment. Pickup is also offered from Reykjavik, the airport, or a cruise terminal. One tree is planted for each tour taken, which is a positive extra, though it should not replace a close look at the core value.
I see the strongest value for a family or group of friends who can fill most of the five seats. You are paying for a full day, a private vehicle, a dedicated guide, equipment, and access to an experience that is harder to arrange independently.
For a couple, the price is harder to justify unless caving is a top priority. You are also responsible for lunch, walking shoes, warm layers, hats, gloves, and a towel if you hope to use the spring. Those extra items are easy to pack, but they belong in your total budget.
What to bring for this eight-hour day

The operator supplies safety equipment, snacks, and water. You should still prepare carefully.
- Sturdy hiking boots or walking shoes
- A warm layer, hat, and gloves
- Lunch or money to buy lunch on the way
- A towel and swimwear for the possible hot spring
- Clothing that can handle rough outdoor conditions
- A charged phone for pickup contact
Your clothing should allow movement. Tight or delicate outfits are a poor match for a 45-minute walk over rough terrain and an underground cave visit.
Because the tour starts at 8:30 a.m. and takes around eight hours, do not schedule a tight afternoon flight or another fixed activity. The return drive alone takes about two hours, and weather may affect the timing.
Who should book this tour?
I would choose this experience if you want a private day away from Reykjavik and prefer a real outdoor challenge to a quick photo stop. It suits people with moderate fitness who are happy walking over uneven ground and spending two hours underground.
It is also a good choice for small groups that care about flexibility. Families with older children, groups of friends, and couples who share a strong interest in volcanoes may find the format worthwhile.
I would be cautious if you dislike confined natural spaces, have difficulty walking over rough ground, or need regular access to toilets and changing areas. The hot spring option is especially rustic, and the cave route may not suit everyone.
The tour also depends on weather. If conditions make the outing unsafe, EV Travel offers a different date or a full refund. That policy is reassuring, but bad weather can still disrupt a carefully planned holiday.
Booking and cancellation advice
Confirmation is provided at booking, and the tour is often reserved well ahead of time, with an average booking window of about 49 days. That suggests you should plan early if this is a priority, especially if you need a particular date.
You can cancel for a full refund up to 24 hours before the start time. Cancellations or changes made less than 24 hours before departure are not refunded or accepted. The cutoff follows local Icelandic time.
Before booking, confirm the pickup point and ask about the exact cave route if anyone in your group has mobility limits or concerns about enclosed spaces. Also confirm the hot spring plan if that optional stop is important to you.
Should you book the Lava Tunnel and Caving Adventure?
Book it if you want Iceland beyond the main road stops, can handle a 45-minute rough walk, and have enough people to share the cost. The private guide, included equipment, remote setting, and possible hot spring make this more distinctive than a standard sightseeing drive.
Think twice if you are traveling as only two people on a tight budget. The price is much easier to defend at five people, and the missing hiking boots, lunch, warm layers, and towel add practical costs.
My call: this is a strong pick for a small group seeking a serious volcanic day rather than a gentle excursion. Thomas’s praised planning and flexibility are useful advantages, but your enjoyment will depend most on your footwear, fitness, clothing, and comfort with rough, wild conditions.
FAQ
Where does the Lava Tunnel and Caving Adventure start?
Pickup is available from your chosen location in Reykjavik, Keflavik Airport, or a cruise terminal. The scheduled start time is 8:30 a.m., unless another time is arranged.
How long does the tour last?
The experience lasts approximately eight hours. The drive takes about two hours each way, and the cave portion includes a 45-minute walk to the entrance plus roughly two hours underground.
How many people can join the private tour?
The price covers one private group of up to five people. Only your group takes part in the activity.
Is lunch included?
No. Snacks and bottled water are included, but lunch is not. There is an opportunity to buy lunch or snacks during the restroom stop on the way to the cave.
Do I need to bring hiking boots?
Yes. Hiking boots or walking shoes are not included. You should bring sturdy footwear suitable for rough terrain.
What clothing should I bring?
Bring a warm layer, hat, and gloves. These items are not included in the tour price.
Is the hot spring stop guaranteed?
No. A stop at a secret hot spring may be possible on the return journey. You must bring a towel, and the spring has no toilets or changing rooms.
What happens if bad weather cancels the tour?
If poor weather causes the tour to be canceled, you will be offered a different date or a full refund. You can also cancel for a full refund up to 24 hours before the experience starts.
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