
Walk to the volcano of Santorini
A santorini volcano tour is a boat from the old port below Fira to Nea Kameni, a thirty-minute climb over loose scoria to the crater rim, and usually a swim in the warm sulphur water off Palia Kameni. Allow four to five hours and wear closed shoes.
Walking to the volcano of Santorini Tours is between the things that someone must do while visiting the Greek islands, mentions the magazine from London, TNT. The astonishing scenery is, according to TNT, “ideal for hiking”.
Also according to the magazine “it’s recommended to a start a hiking which will end at Oia, not only because there is a very busy harbor but also for the famous elegant, white, made of stone houses with the blue domes, and that is the other thing you should see.
Tour along Nea Kameni
Walking along Nea Kameni is like if you walk along the moon. A landscape full of volcanic sand and the rocks that came out from the middle earth during the larger volcanic eruption of all the time.
A magical private transfer at Nea Kameni is the perfect way for you and your company to learn everything about the mysterious island of Santorini and about the history and mythology that make a great combination between truth and imagination.
The wild earth shades of the rocks makes you feel the secret energy of the land beneath you, a sleeping beast that waits to sweep with wrath those who will dare to wake it up.

Enjoy the waters of Palia Kameni
Palia Kameni is a small volcanic island next to Nea Kameni and it is a part of land that came out due to the volcanic explosion of at the year 46 to 47. Palia Kameni private transfers is the ideal way to enjoy the island and the swimming at the thermal waters.
During the summer a great number of tourists come to the small island in order to swim at the yellow thermal waters of the sea and they take a tour in Santorini. The sulfur that came out the earth from the eruption of the volcano. The most visited area of Palia Kameni is the beach near to the church of Agios Nicolaos.
See more about vacations in Santorini island:
- The best private tours and activities to join in Santorini
- Santorini at the top 5 google searches
- The amazing stairs of Santorini
- Cruise to Santorini
Santorini Volcano Tour: The Short Answer
A santorini volcano tour is a boat trip from the old port below Fira to Nea Kameni, the black cinder island in the middle of the caldera, followed by a thirty-minute climb over loose scoria to the crater rim. Most trips then anchor off Palia Kameni so you can swim into the warm, rust-coloured sulphur water.
Allow four to five hours for the standard santorini volcano tour, or a full day if it includes Thirasia and the sunset. There is a small landing fee for Nea Kameni on top of the boat fare, the walking is on sharp volcanic gravel with no shade at all, and proper shoes are not optional.
Is a santorini volcano tour worth it? If you want geology, yes – this is the only active volcano you can walk on in the Aegean and the youngest land in the eastern Mediterranean. If you want a beach day, no. Below is what actually happens, what it costs, when to go, and who should skip it.
What Is the Santorini Volcano?
Understanding this makes a santorini volcano tour considerably better, because from the boat you are looking at the inside of a volcano rather than at a bay.
The eruption
Around 1600 BC the volcano erupted with enormous force, emptied its magma chamber and collapsed. What had been a roughly circular island fell into the sea, leaving the rim: Santorini as a crescent, Thirasia across the water and the islet of Aspronisi. The ash buried the Bronze Age town at Akrotiri and preserved it, and the event is one of the largest eruptions in human history. Akrotiri.
The caldera
The flooded crater is about twelve kilometres across and up to four hundred metres deep. That depth is why cruise ships anchor rather than berth, and why the cliffs rise vertically out of the water with no shelf at the bottom.
Nea Kameni
The black island in the middle is the volcano rebuilding itself. It began emerging from the water in the sixteenth century and grew through a series of eruptions, the last in 1950. It is the youngest land in the eastern Mediterranean and the destination of every santorini volcano tour.
Palia Kameni
The older, smaller cinder island beside it, with the hot springs on its northern side where iron-rich warm water seeps into the sea.
Is it still active?
Yes, and every santorini volcano tour runs on a site monitored continuously by the Institute for the Study and Monitoring of the Santorini Volcano. Ground temperature at the crater is warm, fumaroles vent sulphur, and there are periodic episodes of seismic unrest. It is entirely safe to visit and the authorities close the site if conditions change.
What you actually see
A moonscape of black and rust-red rubble, steam vents, and a crater you can walk around, with the three-hundred-metre cliffs of Santorini and the white villages along their top edge in every direction. It is not pretty in the way Oia is pretty. It is far more interesting.
What Kinds of Santorini Volcano Tour Are There?
Six versions of the santorini volcano tour, and the difference between them is what else is bolted on to the crater walk.
The volcano only
Roughly three hours. Boat out, the climb, the crater, back. The cheapest option and the one that fits a tight cruise call. No swimming.
Volcano and hot springs
Four to five hours, and the standard santorini volcano tour. Nea Kameni first, then anchor off Palia Kameni for the swim into the warm sulphur water. This is the version most people mean.
Volcano, hot springs and Thirasia
The best value santorini volcano tour if you have the day. Six to seven hours, adding the island across the caldera, with time for lunch in the village at the top of the stair. The best value if you have the day, and the only version that gets you the reverse view of Santorini from the water. Thirasia.
The sunset version
Volcano and hot springs in the afternoon, then the boat holds position off Oia for the sunset before returning. Longer, more expensive and considerably more atmospheric than watching it from the castle wall with three thousand other people.
Catamaran cruises that include the volcano
Five hours, twelve to sixteen passengers, lunch cooked on board, and swimming stops that usually include the hot springs. These often view the volcano rather than land on it – check whether a Nea Kameni landing is included before you book, because it is the part people assume is there.
Private charter
Your party alone, your own timings, and a santorini volcano tour that is not on somebody else’s schedule. and the ability to be at the crater when the big boats are not. The most expensive and the only version where you are not on somebody else’s schedule.
Which to pick
For most visitors, volcano and hot springs. For a day you will remember, add Thirasia. For a short cruise call, the volcano-only trip and nothing else that day. A santorini volcano tour is a half-day commitment however you cut it.
What Actually Happens on the Day?
Hour by hour, for the standard santorini volcano tour with hot springs leaving mid-morning.
Departure. Most santorini volcano tour boats leave from the old port below Fira, reached by cable car, 588 steps or donkey. There is no road down. Some trips leave from Ammoudi below Oia or from Athinios instead – check which, because they are twenty-five minutes apart.
The crossing. Twenty to thirty minutes across the caldera, with the cliffs and the villages behind you getting smaller. Most boats are traditional wooden caiques or larger motor vessels; a few are sailing catamarans.
Landing on Nea Kameni. A concrete jetty on black rock. You pay the site entrance fee here if it is not included, then the group sets off together.
The climb. Thirty minutes up a graded path of loose black scoria, roughly a hundred and thirty metres of ascent. No shade, no water, and the rock radiates heat.
The crater. A rim walk around the main crater with fumaroles venting sulphur, warm ground under your hand and a view back across the whole caldera. Guides on the better trips explain the eruption sequence here, which is the part that turns a walk into a santorini volcano tour worth paying for.
Back down. Fifteen minutes, faster and dustier.
The hot springs. The boat anchors thirty to eighty metres off Palia Kameni and you swim in. The water near the vents runs warm and rust-coloured with iron.
Return. Back to the port, and back up the cliff.
How Hard Is the Santorini Volcano Tour Climb?
The most-asked question about any santorini volcano tour, and the answer is: not technically difficult, but genuinely unpleasant if you arrive unprepared.
The numbers
About thirty minutes up, fifteen down, roughly a hundred and thirty metres of ascent on a graded but loose path. Two to three kilometres of walking in total including the crater circuit.
The surface
Loose volcanic scoria – sharp, black, gravelly and slippery underfoot. It gets into open shoes immediately and it is abrasive.
The heat
Heat is the real difficulty on a santorini volcano tour. There is no shade anywhere on Nea Kameni, the black rock absorbs and radiates heat, and midday in July can be well over forty degrees on the surface. A morning departure is significantly more comfortable than a midday one.
Shoes
Closed shoes with grip. The santorini volcano tour non-negotiable. Not flip-flops, not sandals, not new white trainers you care about. This is the single most common complaint on any santorini volcano tour and it is entirely self-inflicted.
Water
There is none on the island. Take at least a litre per person.
Children
Fine from about six or seven upwards if they are used to walking. Younger than that, one adult usually ends up carrying, which on that surface in that heat is hard work.
Older visitors
Manageable at your own pace – the path is graded rather than steep – but the group moves together and the boat has a schedule.
Limited mobility
Honestly, no. The jetty, the loose surface and the ascent all work against it. You can stay on the boat while the others climb, and the hot springs swim is still open to you, but the crater itself is not realistically accessible.
Vertigo or heart conditions
The path is wide with no exposure, so vertigo is not usually the issue. Heat and exertion can be.
Are the Hot Springs Worth It?
Manage your expectations and they are one of the better parts of a santorini volcano tour. Arrive expecting a spa and they are not.
What they actually are
Warm, iron-rich water seeping from the volcanic vents into a shallow bay on Palia Kameni, staining the sea rust-orange where it meets it. The temperature varies with the season and the exact spot – usually somewhere between mildly warm and pleasantly warm rather than hot.
The swim
Most santorini volcano tour boats cannot enter the shallow bay, so you jump off the back and swim thirty to eighty metres in. The open water is cold; the shallows near the vents are warm. That contrast is most of the pleasure.
The smell
Sulphur. Faint on the boat, distinct in the water.
The staining
The iron will stain light-coloured swimwear, permanently in some cases. Wear something dark or old. Every santorini volcano tour operator says this and every trip has somebody who did not listen.
Can you skip it?
Yes. Plenty of people stay on the boat, and if the sea is rough or you are not a confident open-water swimmer that is a sensible choice.
Is it good for your skin?
The mineral content is real and the traditional claims are traditional. Treat it as an interesting swim rather than a treatment.
What Does a Santorini Volcano Tour Cost?
A santorini volcano tour is priced in bands rather than fixed fares, per person, because they move with the season and the operator.
Volcano only. The cheapest boat trip on the island, around three hours.
Volcano and hot springs. A half-day excursion price, and the standard.
Volcano, hot springs and Thirasia. A full-day price, usually with lunch extra.
Sunset version. Above the full-day price, and worth it once.
Semi-private catamaran including the volcano. Several times a standard boat trip, with lunch and drinks on board.
Private charter. Priced per boat rather than per head, which changes the arithmetic for a family or a group.
Nea Kameni entrance fee. A separate small site fee, sometimes included and sometimes collected at the jetty. Ask when you book and carry cash for it.
Cable car. A few euro each way to reach the old port, and not usually included.
What is normally included. The boat, the guide on the climb on better trips, and sometimes water.
What is normally not. The site fee, the cable car, food, drinks and towels.
The honest summary: a santorini volcano tour is one of the cheaper significant things you can do here, and the largest cost is usually the half day it takes rather than the fare.
Where Do the Boats Leave From?
The old port below Fira
The main departure point and the one most santorini volcano tour operators use. There is no road to it: you get down by cable car, by walking the 588 steps, or on a donkey. The cable car queue is the variable, and it can run to an hour in high season. Allow for it. Why we ask you not to ride.
Ammoudi, below Oia
Some trips leave from here, at the bottom of about 300 steps or a switchback road. Convenient if you are staying in Oia and a long way from anywhere else. Oia.
Athinios
The ferry port, twenty-five minutes from Fira by road. A few larger vessels leave from here, and it is the only departure point a vehicle can actually reach. Athinios port.
Vlychada marina
Mostly catamarans rather than volcano boats, on the south coast. Flat, easy to park at, and calm. Vlychada.
The thing to check
Which port your santorini volcano tour actually departs from, and how long it takes you to get there. Turning up at the old port for a boat leaving from Ammoudi is a forty-minute problem you cannot solve on the day.
Getting there
We drive guests to whichever port the boat leaves from, wait, and collect afterwards – which matters most at the old port, because no vehicle can reach the quay and you have a cable car queue at both ends. Transfers.
When Should You Go?
Time of day
Morning. Cooler on the black rock, calmer sea, and fewer boats at the jetty. The best time for a santorini volcano tour by a clear margin.
Midday. The hottest possible santorini volcano tour. Avoid in July and August.
Afternoon. Warmer water at the springs, harsher light, and busier.
Sunset trips. The climb happens in the late afternoon heat but the return is spectacular.
Season
April and May. Comfortable walking, cold water, boats starting up through April. Fewer departures but far fewer people.
June. The best santorini volcano tour month: warm enough to swim, not yet punishing on the climb, everything running.
July and August. Every trip is full and the crater is brutal at midday. Book an early departure or wait for September.
September. Warmest sea of the year, thinning crowds, and the climb is bearable again. The best month overall.
October. Good walking, cooling water, and departures thinning towards the end of the month.
November to March. Effectively nothing runs. A santorini volcano tour is a summer-season activity and there is no reliable winter version. Santorini in winter.
The wind
The meltemi cancels a santorini volcano tour at short notice, particularly in July and August. Operators usually call the night before or the same morning. If the volcano is the thing you came for, plan it early in your stay so you have a second chance.
How far ahead to book
Several days in July and August, a day or two in the shoulder months. Private charters and catamarans need longer.
Is a Santorini Volcano Tour Worth It?
The honest version, both ways.
Why it is worth it
It is the reason the island looks like this. Standing on the crater with the caldera walls in every direction is the moment the geology stops being a paragraph in a guidebook.
The view from the water. Half the value of a santorini volcano tour is the crossing. The caldera only makes sense from inside it. Even if the climb does nothing for you, the crossing does.
It is genuinely rare. There are very few active volcanoes in Europe you can walk on, and none of them sit in the middle of a flooded crater with villages balanced on the rim.
It is cheap. One of the lowest-cost significant activities on the island.
The hot springs. A warm swim in rust-coloured water beside a volcano is not something you do at home.
Why it might not be
It is a rubble field. If you are expecting lava or a dramatic cone, it is a grey-black slope with steam vents.
It is hot and crowded. Several boats arrive at once in high season and the path is single file.
It eats half a day. On a three-day trip, that is a significant share.
The springs are lukewarm. Expectations of a thermal spa are the main source of disappointment.
Who should skip it
Anyone with mobility difficulties, families with toddlers, people on a very short cruise call who want Oia, and anyone whose main interest is beaches. A santorini volcano tour rewards curiosity about the island rather than a wish to relax.
Our verdict
Do a santorini volcano tour once, in the morning, early in your stay, on the version that includes the hot springs. If you have a full day, add Thirasia.
How Does It Compare to the Other Boat Trips?
Four things you can do on the water here, and they suit different people.
The santorini volcano tour. Geology, a climb, a warm swim, half a day, cheapest of the four. The one with a subject.
A catamaran cruise. Five hours, lunch cooked on board, swimming at the coloured beaches and often the hot springs, twelve to sixteen people. The most comfortable and the most expensive per head. Better for relaxing, worse for learning anything.
A sailing trip to Thirasia. Quieter, slower, and the only one that gets you onto the far side of the rim properly.
A sunset cruise. The Oia sunset from the water rather than from a wall with three thousand people. Often combined with one of the above.
If you only do one. A catamaran for a couple wanting a day out; a santorini volcano tour for anyone curious about why the caldera exists. If you can do two, do both and put the volcano first.
A Short History of Walking on It
Nea Kameni has been growing for about five centuries, and people have been climbing it for nearly as long.
The islands in the middle of the caldera appeared in stages: Palia Kameni in the second century BC and again in the first century AD, Nea Kameni from 1570 onwards, with major eruptive episodes through the seventeenth, eighteenth and nineteenth centuries. The two nearly joined in 1707 and further activity through the 1920s and 1930s built the ground you now walk on. The last eruption was in 1950.
Nineteenth-century travellers came out by rowing boat and wrote about the sulphur and the heat in almost exactly the terms visitors use today. The site became a protected geological park, and the small entrance fee funds the paths and the monitoring.
What that means on the ground: the black rubble under your feet is only a few hundred years old, some of it less than a century, and it is still settling. There are very few places where you can stand on land that new.
How Does It Fit Into Your Day?
A santorini volcano tour is a half day whatever the brochure says, once you count getting down to the port and back up again.
If you are staying on the island
Morning boat, back by two, then lunch inland and an easy afternoon. Do not plan Ancient Thira, a winery and the volcano in the same day – the roads will not allow it. One day in Santorini.
If you are on a cruise ship
The maths is tighter. Subtract two hours from your published call for tendering and the cable car queues in both directions. On a nine-hour call, a volcano and hot springs trip fits and nothing else does. On a five or six-hour call, take the volcano-only version or skip it. Cruise guide · Shore excursion.
If you have three days
Day one the villages and a sunset, day two the volcano in the morning and inland in the afternoon, day three Akrotiri and a beach.
If you have a week
Put the santorini volcano tour early. If the wind cancels it you still have days left to reschedule, which is the single most useful piece of planning advice about any santorini volcano tour.
What pairs well with it
A late inland lunch, an easy beach afternoon, or the wine museum if the sun has finished you. What does not pair well: another boat, another climb, or anything with a closing time.
What Should You Take?
Closed shoes with grip. The one non-negotiable item.
Water, at least a litre. There is none on Nea Kameni.
A hat and high-factor sun cream. No shade, and the black rock reflects heat upwards.
Dark or old swimwear. The iron in the springs stains.
A towel. Rarely provided.
Cash. For the site fee, the cable car and anything on board.
A dry bag or a plastic bag. For a phone on a boat where you will be jumping into the sea.
Motion sickness tablets if you are prone and the wind is up.
A light layer. The crossing back can be cool and wet with spray.
What to leave behind. White trainers, flip-flops, anything you would mind covered in black dust, and a large bag.
What Mistakes Do People Make?
Wearing sandals. Sharp loose scoria, thirty minutes of it. This is the complaint that dominates reviews of every santorini volcano tour.
Booking the midday departure in August. The hottest possible version of a walk with no shade.
Expecting a spa. The hot springs are a warm patch of sea, not a thermal bath.
Wearing a white swimsuit. It will come out orange.
Not allowing for the cable car. An hour each way in high season, on top of the tour.
Turning up at the wrong port. The old port, Ammoudi and Athinios are all used and they are not close together.
Planning it for the last day. The wind cancels trips at short notice and you will have no second chance.
Booking a catamaran assuming it lands on the volcano. Many view it rather than land. Confirm before paying.
Taking a toddler. The surface and the heat are genuinely hard work with a small child.
No water. There is none for sale on the island.
Combining it with two other stops. A santorini volcano tour is the day’s main event, not an item in it.
What Else Is Out There in the Caldera?
The volcano is one of four things in the middle of the crater, and the longer santorini volcano tour options take in more of them. and the longer trips take in more of them.
Nea Kameni
The main island, the crater walk, and the destination of every santorini volcano tour. Roughly three and a half square kilometres of black rubble and steam. Nea Kameni.
Palia Kameni
Smaller, older, and where every santorini volcano tour stops to swim, with a tiny chapel of Agios Nikolaos on the shore. Most trips anchor rather than land. Palia Kameni.
Thirasia
The far side of the rim, and effectively what Santorini was before tourism: one village at the top of a long stair, a few tavernas, and almost nobody. The full-day volcano trips stop here, and it is the part people talk about afterwards.
Aspronisi
The small uninhabited islet at the south-western corner of the rim. You sail past it rather than land.
The caldera walls
Arguably the real reason to take a santorini volcano tour. From the water you see the banded strata of successive eruptions – red and black lava, grey pumice, the white ash layer of the big one near the top – with the villages sitting on the edge of it. No land-based viewpoint shows you this.
Santorini Volcano Tour: Frequently Asked Questions
How long does a santorini volcano tour take? Three hours for the volcano only, four to five with the hot springs, and six to seven if Thirasia is included. Add the cable car queue at both ends.
How hard is the climb? Thirty minutes up a graded path of loose volcanic gravel, about a hundred and thirty metres of ascent, with no shade at all. Not technically difficult; genuinely hot.
What shoes do I need? Closed shoes with grip. Sandals and flip-flops are the single most common mistake on this trip.
Are the hot springs actually hot? Warm rather than hot, and variable. You swim thirty to eighty metres from the boat into a shallow bay where iron-rich water seeps in and stains the sea orange.
Will the water stain my swimsuit? Yes, potentially permanently. Wear something dark or old.
Is the volcano still active? Yes. It last erupted in 1950 and is monitored continuously. It is entirely safe to visit.
Where do the boats leave from? Mostly the old port below Fira, reached by cable car or 588 steps. Some leave from Ammoudi below Oia or from Athinios. Confirm which when you book.
Is it suitable for children? From about six or seven upwards, yes. With toddlers, no – the surface and the heat are hard work.
Is it wheelchair accessible? No. The jetty, the loose surface and the climb rule it out, though you can stay on the boat.
Can it be cancelled? Yes, by wind, often at short notice in July and August. Book it early in your stay rather than on the last day.
Is there an extra fee? There is a small entrance fee for Nea Kameni, sometimes included and sometimes collected at the jetty. Carry cash.
Is it worth it? If you are interested in why the island looks the way it does, yes, clearly. If you want a relaxing beach day, no.
Can I do it on a cruise call? On a call of eight hours or more, yes, and nothing else that day. On a shorter call, take the volcano-only version or skip it.
Book the Boat and the Day Around It
We do not run the santorini volcano tour boats – the licensed operators do – but we run the rest of the day around them, which on this island is the part that goes wrong.
We get you to the right santorini volcano tour port at the right time, wait, and collect you afterwards, then build the rest of the day around a half day at sea: a late inland lunch, a winery, or a quiet beach while everyone else is queueing for the cable car.
Prices are per vehicle rather than per person, so a family of four pays what a couple pays, hotel pickup anywhere on the island is included, and an 80 EUR deposit confirms a date.
See the personalised tour, the full list of tours, or the FAQ.
Every Village and Site on the Island
Any of these can be built into a private day. Each has its own page with what to see and how long to allow.
Caldera villages: Fira · Firostefani · Imerovigli · Oia · Finikia · Baxedes
Inland villages: Pyrgos · Megalochori · Emporio · Mesaria · Karterados · Vothonas · Vourvoulos · Exo Gonia · Mesa Gonia · Pigadia
Beaches: Perissa · Perivolos · Kamari · Vlychada · Monolithos · Red Beach · White Beach · Agios Georgios · Agia Paraskevi
Sites and landmarks: Akrotiri · Ancient Thira · Akrotiri Lighthouse · Nea Kameni · Palia Kameni · Thirasia · Athinios Port
All our tours: All Santorini tours · Full day tour · Sightseeing tour · Personalised tour · North part tour · Horse riding · South part tour · Sunset tour · Shore excursion · Caldera tour · Food experience · Wine tour · Historical tour · Small group tour
Planning and services: Famous sights tour · Private transfers · Transfers to Oia and Finikia · Transfers to other villages · Villages of Santorini · History of Santorini · Tours near you · Languages we guide in · Food and fun tours · Gay friendly tours · Our tour buses · Daily tours · Day tours · FAQ · Gallery · Tour photo gallery · About us · Contact · Blog
















