The Czech Spa Triangle: Karlovy Vary, Marianske Lazne, Frantiskovy Lazne and Jachymov

There is a moment, somewhere between the warm mineral water being poured over your shoulders in a centuries-old spa pavilion and the realisation that you are sitting in the same healing waters that Beethoven, Goethe, Peter the Great, and Queen Victoria once sat in, when you understand that you are not at a wellness resort. You are at something considerably older and more serious than that.

The Czech Spa Triangle — a cluster of historic spa towns in the westernmost corner of the Czech Republic, in the region known as West Bohemia — has been receiving Europe’s royalty, aristocracy, intellectuals, and ailing wealthy for over five centuries. The springs here were not discovered by a marketing department. They were documented by medieval monks, mapped by Renaissance physicians, and prescribed by doctors for conditions ranging from gout to cardiovascular disease to metabolic disorders. The spa culture here is UNESCO-listed, and the treatments are still partly covered by Czech and German health insurance. This is spa as medicine, not spa as lifestyle.

We travelled to the Spa Triangle feeling, frankly, rather fortunate. What we came away with was something we hadn’t expected: a sense of having been genuinely looked after in a way that modern travel rarely delivers. The accommodation was extraordinary, the treatments were extraordinary, and the history layered into every spring, colonnade and hotel corridor was extraordinary. We would go back without a moment’s hesitation.

This is what the Czech Spa Triangle actually offers — and why it deserves to be on every serious traveller’s list.

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Understanding the Spa Triangle

The West Bohemia spa region consists of four main towns, each with its own distinct character, mineral springs, and specialisations:

Karlovy Vary (Carlsbad) — the largest and most famous, with 13 mineral springs and a grand 19th-century colonnade architecture that earned it a UNESCO World Heritage listing. The spa of kings, literally.

Marianske Lazne (Marienbad) — quieter and more elegant than Karlovy Vary, with over 100 mineral springs and a reputation among those who know it as the most beautiful of the spa towns.

Frantiskovy Lazne (Franzensbad) — the smallest and most intimate, specialising in cardiac and gynaecological treatments, with a park-like setting that Goethe called “heaven on earth.”

Jachymov — the most unusual of the four: a former silver mining town where the word “dollar” was born, Marie Curie discovered radium, and the world’s only radon spa still operates 500 metres underground in an active mine. Nothing else like it exists anywhere.

Getting between the towns: The spa towns sit within 50km of each other and are easily connected by train or car. Karlovy Vary is the natural base — the largest town with the most accommodation options — with the others reachable as day trips or overnight stops. Allow a minimum of four nights to do the region proper justice; a week is better.

Getting to the region: Karlovy Vary has a small airport with limited international connections. Most visitors fly to Prague (2 hours by car or bus) or Frankfurt (2.5 hours by car). Direct buses from Prague to Karlovy Vary run several times daily and are comfortable and affordable.

Jachymov: The Most Extraordinary Town You’ve Never Heard Of

We want to start here rather than with Karlovy Vary, because Jachymov deserves to be known, and almost nobody outside the Czech Republic knows it.

In the early 16th century, the largest silver deposit in Europe was discovered in the mountains above what is now Jachymov. The silver was minted into coins named Joachimsthaler — after Joachimsthal, the German name for the town. The coin became the most widely circulated in Europe, abbreviated first to “thaler,” then to “daler” in Dutch and Scandinavian trading ports, and eventually to “dollar.” The American dollar, the Australian dollar, the Canadian dollar, the New Zealand dollar — all of them trace their name to a silver mine in a small Czech spa town.

The mine also provided the pitchblende from which Marie Curie isolated polonium and radium in 1898, work for which she received the Nobel Prize in Physics in 1903 and the Nobel Prize in Chemistry in 1911. The mineral that made both discoveries possible came from directly beneath this town.

And then — in one of the more improbable turns in the history of medicine — it was discovered that the radon gas naturally occurring in the mine’s underground waters had therapeutic properties. Today, Jachymov is home to the world’s only radon spa operating inside an active mine, and it is one of the most unusual experiences available anywhere in Europe.

Descending into the Mine

We descended 500 metres underground in an iron cage that felt as though it had not been substantially updated since the miners who extracted Marie Curie’s pitchblende used it. Our guide was Jitka — a woman in her seventies, sharp as a pin, who has been leading visitors through these tunnels for more years than she was prepared to admit. When we asked her the secret to staying so vital and energetic, she smiled. “Taking the waters,” she said, with the confidence of someone who has been proved right.

The temperature underground stays at a constant 10°C regardless of the season above. The tunnels are lit with yellow light that catches the mineral deposits in the rock walls. Somewhere deep in the mountain, water seeps through uranium-bearing rock and absorbs radon, and that water flows into pools where patients lie in the mineral-warm dark for prescribed periods to absorb the therapeutic gas through their skin.

We felt genuinely honoured to be there. It is not a tourist attraction that has been softened for visitors. It is a working medical facility in a historic mine, and being allowed access to it felt like exactly the kind of privilege that slow, curious travel occasionally delivers.

The Radium Palace Hotel is the place to stay in Jachymov — a grand Art Nouveau building from 1912 that has been treating patients since the radon therapy was first developed. Rooms are elegant, the medical spa facilities are comprehensive, and staying here means your treatment schedule is built around you rather than fitted between checkout times.

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Karlovy Vary: The Queen of the Spa Towns

King Charles IV’s hunting dog fell into a hot spring in 1350. The dog survived — apparently cured of various ailments — and Charles, on investigation, found that the water was indeed hot and apparently mineral-rich, and founded a spa town around it. The spring is still flowing. The spa town became the most famous in Central Europe.

Karlovy Vary — Carlsbad in German — sits in a narrow valley where the Tepla River meets the Ohre, with the town rising steeply on either side in a composition of colonnades, Belle Époque hotels, and church domes that is immediately striking. The town’s 13 hot springs range in temperature from 41°C to 73°C and in flow rate from a few litres to 2,000 litres per minute — the Vridlo (Sprudel) spring, which jets 12 metres into the air, is the most dramatic and the one that defines the town’s skyline.

The traditional way to take the waters at Karlovy Vary is with a spa cup — a porcelain drinking vessel with a long hollow handle like a teapot spout — which you fill from the spring spigots in the colonnades and sip as you walk. The water is sulphurous, warm, and has an acquired taste. We acquired it.

The Colonnades

Karlovy Vary’s colonnades are the architectural spine of the town — covered walkways housing the spring outlets where visitors have been strolling, sipping, and recovering since the 17th century. The Mill Colonnade (Mlynska kolonada) is the most impressive — a neo-Renaissance stone structure 132 metres long, housing five springs, designed by Josef Zitek (who also designed Prague’s National Theatre) and completed in 1881. The Market Colonnade is older and more intimate — a wooden structure that has been replaced and rebuilt several times but maintains its original 17th-century footprint.

Walking the colonnade circuit — cup in hand, spring water warm, the valley walls rising on either side — is the definitive Karlovy Vary experience and completely free.

The Grand Hotel Pupp

The Grand Hotel Pupp is one of Central Europe’s great hotels and has been since 1701. The ballroom where the European aristocracy danced for two centuries, the terrace overlooking the Tepla River where Beethoven sat (a memorial plaque confirms it), the corridors hung with portraits of royal and imperial guests — it is a hotel that wears its history without effort.

The Pupp was also, famously, the exterior filming location for Casino Royale — dressed as the Hotel Splendide in Montenegro. We mention this because it delights a certain type of guest and because the hotel mentions it on the menus.

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For dinner in Karlovy Vary: The Pupp’s main restaurant does grand Central European cooking with considerable style. For something more local and considerably cheaper, the restaurants along Stara Louka (Old Meadow Street) serve traditional Czech food — svickova (beef sirloin in cream sauce with bread dumplings), goulash, roast duck — at prices that feel almost implausibly reasonable given the grandeur of the surroundings.

Becherovka: Karlovy Vary is the home of Becherovka, the herbal bitter liqueur that has been produced here since 1807 from a secret recipe of 20 herbs and spices. The Jan Becher Museum on T.G. Masaryka Street runs excellent tours of the distillery and the history. The tasting at the end is non-negotiable.

The Hotel Imperial

The Hotel Imperial sits above the town on a wooded hillside — a palatial neo-baroque building reached by funicular, with views over the valley and the colonnades below. It is slightly more restrained than the Pupp in decor but the spa facilities are exceptional, and the setting, elevated above the town in its own parkland, gives it a tranquillity that the central hotels can’t quite match.

The classical massage at the Hotel Imperial’s spa was one of the finest treatments of the entire trip. “Heavenly” barely covers it — it was the kind of massage that recalibrates your entire relationship with your body, and the therapist worked with a focused silence that suggested this was craft rather than service. By the time it was finished, the prospect of a big day of sightseeing seemed entirely manageable. The prospect of staying on the table for another hour seemed more manageable still.

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Loket: The Castle in the River Bend

Fifteen kilometres from Karlovy Vary, the town of Loket sits on a dramatic rock peninsula in a hairpin bend of the Ohre River — the castle rising from the rock above, the medieval town clustered at its feet, the river completing an almost perfect loop around it. It is one of the most naturally defended positions in Central Europe and has been continuously fortified since at least the 12th century.

The young Charles IV was imprisoned here as a boy, held by his own father in the castle keep while the politics of the Holy Roman Empire were worked out around him. He subsequently developed an understandable attachment to the region and founded Karlovy Vary nearby.

The castle tour is excellent, but what stays with you is the setting itself. The view from the castle walls over the river and the forested valley — particularly in autumn when the beech trees turn — is one of the finest in Bohemia.

The goats: The castle keep has resident goats that have been grazing on the ramparts for as long as anyone can remember. They regard visitors with the mild contempt of animals that know they have the best address in the region.

For lunch in Loket: The restaurants around the main square serve straightforward Czech cooking at reasonable prices. Order the trout if it’s on the menu — the river below the castle supplies the local tables.

The Casino Royale connection: Loket’s old town was also used as a filming location for Casino Royale. The town seems quietly pleased about this.

Loket is best visited as a morning excursion from Karlovy Vary — drive or take the local bus, spend two to three hours, and return for afternoon treatments.

Marianske Lazne: The Most Beautiful Spa Town

Mariánské Lázně — Marienbad in German — is what happens when a spa town is designed rather than evolved. Where Karlovy Vary grew organically in a valley over centuries, Marianske Lazne was planned from the outset in the early 19th century as an ideal spa environment: a grid of elegant streets, formal parks, collonaded walks, and grand hotels, set in a wooded valley with over 100 mineral springs of varying composition feeding different treatment programmes.

The result is the most consistently beautiful of the spa towns — a composition of cream and pastel buildings, manicured lawns, and the Singing Fountain (a computerised water and light show set to classical music that plays every odd hour and draws crowds of genuine appreciators) that makes simply walking the main colonnade an aesthetic pleasure regardless of whether you take the waters.

Goethe came here thirteen times. He fell in love here at the age of 74 with a 19-year-old woman named Ulrike von Levetzow, proposed marriage, was rejected, and wrote the Marienbad Elegy — considered one of the finest lyric poems in the German language — about the experience. A statue of Goethe now stands in the park. He called the town “heaven on earth,” which is either an objective assessment of its beauty or what happens when a 74-year-old man falls in love in a beautiful place.

Edward VII came here repeatedly — nine visits as Prince of Wales before his accession — and his presence transformed the town’s reputation in Britain and across the Empire. Kipling, Mark Twain, Chopin, Wagner, and Franz Kafka all took the cure here at various points.

The Nove Lazne Hotel and the Royal Spa

The Nove Lazne — New Baths — was built in 1896 and contains one of the finest intact historical spa facilities in Europe.

The centrepiece is the Royal Spa Suite, built specifically for King Edward VII and preserved in extraordinary detail: the original ceramic tiles, the cast-iron tub, the oak panelling, the weight-measurement chair where the King was weighed at the beginning and end of each visit to track his progress (the spa was partly intended to manage his considerable appetite and associated health challenges). Standing in that room, you feel the full weight of the tradition you’re participating in.

The gas bath treatment — carbon dioxide mineral gas applied to the body in an enclosed tub — was one of the most unusual spa experiences of the entire trip. The sensation of thousands of tiny bubbles working against the skin, the warmth, the subsequent feeling of weightlessness — it sounds strange and feels extraordinary.

After treatments, the Lobby Bar at the Nove Lazne does an excellent glass of Moravian wine in a room of such architectural distinction that you feel you should dress better than you do. We did not dress better than we did. Nobody seemed to mind.

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The Colonnade and the Springs

Marianske Lazne’s main colonnade — a cast-iron neo-baroque structure 119 metres long — houses the town’s most important springs and is the social heart of the spa. The Rudolf Spring (for digestive ailments), the Caroline Spring (cardiovascular), the Ambrose Spring (metabolism) — each has its prescribed purpose and its queue of spa cup-carrying visitors moving at the particular unhurried pace of people who are here for their health.

The forest walks behind the colonnade — through managed woodland with marked paths to various spring pavilions — are one of the town’s underrated pleasures. The springs emerge in small pavilions scattered through the trees, each one architecturally distinct, each one with its specific mineral composition displayed on a board. Walking between them, cup in hand, in the silence of the Bohemian forest, is a particular kind of contentment.

Frantiskovy Lazne: The Smallest and Most Intimate

Frantiskovy Lazne — Franzensbad — is the town that knows it’s being overlooked and has made its peace with it. The smallest of the four spa towns, it specialises in cardiac and gynaecological treatments, has a compact grid of Empire-style buildings in a park setting, and receives a fraction of the visitors that Karlovy Vary does. This is, depending on how you look at it, either a problem or its greatest attraction.

We think it’s its greatest attraction.

The town is quiet in the way that places are quiet when they’re primarily serving patients rather than tourists. The Francis Spring, emerging in a small pavilion at the centre of the spa park, feeds the town’s carbon dioxide baths and drinking cure. The surrounding park — with its formal paths, rose gardens, and pavilions — is designed for the slow walking that forms part of every treatment programme.

Frantisek — a bronze statue of a small boy sitting on a bench — is the town’s mascot and one of the more disarming pieces of civic sculpture we encountered on the trip. Local legend holds that touching a certain part of the statue brings fertility. The relevant part of the statue is very shiny.

Allow half a day to a full day here from Marianske Lazne (25 minutes by car). If the atmosphere appeals — and for those who find Karlovy Vary too busy — a night or two here makes an excellent alternative base.

What to Expect from Spa Treatments

The Czech spa tradition operates on a spectrum from genuine medical treatment to luxury wellness, and understanding where you sit on that spectrum helps manage expectations.

Medical spa programmes are prescribed by a spa physician following a consultation and typically run for a minimum of one to three weeks. They treat specific conditions — cardiovascular, musculoskeletal, metabolic, neurological — using combinations of drinking cures, balneology (mineral bathing), electrotherapy, physiotherapy, and specialist treatments. Many of the grand hotels have their own medical departments. These programmes are covered by Czech and some German health insurance plans and can be substantially cheaper than equivalent treatments in Western Europe.

Wellness spa visits — single treatments or short packages without medical consultation — are available at most of the major hotels to guests and, in many cases, day visitors. A classical massage, mineral bath, or facial can be booked without a physician’s referral and experienced as a luxury wellness treatment rather than a medical procedure.

Prices: Spa treatment prices in the Czech Republic are significantly lower than equivalent treatments in the UK, Germany, or Switzerland. A full-body classical massage runs approximately €40–70; a mineral bath €30–50; more specialised treatments vary by hotel and treatment type. Multi-day spa packages offer better value than individual treatments booked separately.

Book in advance: The major hotels’ spa facilities operate at high capacity, and specific treatments and time slots fill quickly, particularly in peak season (May to September). Book your treatments at the same time as your accommodation.

Practical Information

When to Visit

May to September is the main spa season — the colonnades and parks are at their best, the weather is warm enough for the outdoor fountain shows and forest walks, and the full range of activities is available. July and August are the busiest months.

October and November are excellent for a quieter visit — the beech forests turn extraordinary colours, hotel prices drop, and the spa facilities are less crowded. The atmosphere of a spa town in autumn — misty mornings, warm mineral water, amber forest light — is one of the finest things in Central European travel.

December to February is the low season. Some facilities have reduced hours, but the towns are beautiful in the snow, and hotel rates are at their lowest. The indoor spa facilities are, if anything, more appealing when it’s cold outside.

How Long to Spend

• Long weekend (3 nights): Karlovy Vary with a day trip to Loket. A good introduction.
• Five nights: Karlovy Vary (2 nights), Marianske Lazne (2 nights), Frantiskovy Lazne (1 night or day trip). Covers the main triangle properly.
• One week: Add Jachymov and a more relaxed pace throughout. The ideal length for the full experience.
• Two weeks or more: Medical spa programme territory — the duration needed to complete a proper treatment course.

Combining with Prague

The Spa Triangle pairs naturally with Prague — two hours by bus or car. A typical itinerary might spend two or three days in Prague before or after the spa region. The contrast between the baroque grandeur of Prague and the Belle Époque elegance of Karlovy Vary is itself part of the pleasure of the Czech Republic.

Related Reading: 4 days in Prague itinerary

Visit North Bohemia

Visit South Bohemia

Currency

The Czech Republic uses the Czech Koruna (CZK), not the Euro. Credit cards are accepted at all major hotels and restaurants; carry some cash for smaller purchases, markets, and local cafes.

Language

Czech is the official language. German is widely understood in the spa region, given its historical connections and proximity to the German border. English is spoken at all major hotels and tourist facilities.

The Verdict

We went to the Czech Spa Triangle feeling fortunate to be there. We came away feeling genuinely, properly spoilt — looked after in a way that had nothing to do with surface-level luxury and everything to do with a tradition of hospitality and healing that runs centuries deep.

The accommodation was extraordinary. The treatments were extraordinary. The history — in every spring, every colonnade, every hotel corridor where the portraits of past guests look down — was extraordinary. Jitka descending into the uranium mine at seventy-something, still convinced the radon water is keeping her young. The weight chair was built for a king in a spa suite that still gleams with its original tiles. The warm mineral water in a cup, sipped slowly on a colonnade while the Bohemian forests rise on either side.

Some places simply take better care of you than others. The Czech Spa Triangle is one of them.

We will go back. We already know it.

Quick Reference

The four towns: Karlovy Vary (largest, most famous), Marianske Lazne (most beautiful), Frantiskovy Lazne (smallest, most intimate), Jachymov (most extraordinary — radon mine spa, dollar origin, Marie Curie)

Don’t miss: Vridlo spring at Karlovy Vary, Mill Colonnade walk, Jachymov mine descent, Royal Spa suite at Nove Lazne, Singing Fountain at Marianske Lazne, Loket Castle, Becherovka distillery tour

Stay: Grand Hotel Pupp or Hotel Imperial (Karlovy Vary); Nove Lazne (Marianske Lazne); Radium Palace (Jachymov)

Eat and drink: Svickova, roast duck, Czech goulash, Moravian wine, Becherovka, spa wafers (the flat crispy wafers sold throughout the region — a Karlovy Vary speciality since the 18th century)

Getting there: Fly to Prague or Frankfurt, then 2–2.5 hours by road. Direct buses from Prague to Karlovy Vary run daily.

Best time: May–June or September–October for an ideal combination of weather, colour, and manageable crowds

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My Thanks

I would like to thank Czech Tourism,  our guide Jitka from Karlovy Vary, Lenka and Kristina from Zivykraj (Karlovy Vary region) and all the hotels I stayed in, restaurants I ate in and sights that I visited as part of the tour. My opinions, as always, are my own. 

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