Lake Hévíz Thermal Lake
Hévízi-tó
4.7 · 18500 reviews · via Google
Lake Hévíz Thermal Lake
sulfur · Western Transdanubia
Hotter than 6% of Hungary springs (n=18).
More acidic than 50% of Hungary springs (n=18).
Mineral profile
Bar width reflects listing order, not measured concentration.
Suitability
At a glance
Getting there
Remote — over 5km from the nearest station
Cost
Low
Crowd level
Popular
About this spring
The lake water is a unique biological mix of sulfur, calcium, magnesium, and mild radon minerals, constantly replenished by deep subterranean cave springs that completely refresh the lake every seventy-two hours. The facility is the largest swimmable natural thermal lake on earth, featuring a central timber bathhouse from which swimmers float out among blooming pink water lilies. It suits couples and wellness travelers looking for a unique open-air natural environment. Because the lake is exceptionally deep, renting or bringing a foam pool noodle is highly recommended for effortless floating. Children under twelve are restricted from the therapeutic water due to its powerful mineral composition.
Highlights
History
Count Gyorgy Festetics initiated the development of the lake into a proper health resort in 1795 by constructing wooden bathhouses on rafts.
The first permanent indoor therapeutic lake center was established in 1911, and the global reputation grew rapidly between the world wars. Fire destroyed the central wooden lake buildings in 1986, leading to a long, comprehensive state rebuilding plan.
Local guide
Nothing quite prepares you for the scale of Hévíz on first sight. The lake stretches out beneath a canopy of surrounding trees, its surface dotted with pink and white water lilies, and the wooden bathhouse at its center feels almost incidental against the size of the natural water itself. Steam drifts off the surface in cooler months, thickest at the edges where the warmest water rises.
Floating is the default way to experience the lake, since the water is too deep in the center to stand, and a gentle current keeps you moving in a slow circuit if you let it. The mineral content and mild sulfur note give the water a distinct, slightly heavier feel than a standard pool, and the lake bed's natural peat mud is part of what draws people back for the therapeutic reputation.
Rent a pool noodle at the entrance if you plan to spend real time floating, since even confident swimmers find the depth and lack of a solid bottom a little disorienting at first. The lake stays warm enough for bathing through winter, so pack for the season rather than assuming this is a summer-only destination.
Early morning is when the lake is most photogenic, with mist rising off the water and far fewer people in the wooden pavilions. The town of Hévíz around the lake has plenty of small restaurants serving Hungarian lake fish and hearty soups within a short walk of the entrance.
Mineral chemistry
Water character inferred from mineral type — verify on site.
Sulfuric hot springs are among the most studied in balneology worldwide. The sulfur compounds, primarily hydrogen sulfide and thiosulfate, have documented antimicrobial and anti-inflammatory properties. Regular bathing is associated with relief from chronic skin conditions including eczema and psoriasis, as well as joint inflammation and muscle soreness. Sulfuric waters have been used therapeutically across Asia and Europe for centuries.
The distinctive rotten-egg smell dissipates quickly after leaving the bath. Avoid if you have a sulfur allergy, very sensitive skin, or respiratory conditions. Remove silver jewellery before entering — sulfur will blacken it permanently.
Calcium chloride springs share the heat-retaining property of sodium chloride springs but with a stronger warming effect. Prized for muscle and joint relief.
The strong warming effect means those with cardiovascular conditions, high blood pressure, or pregnancy should limit soak duration and consult a doctor if in doubt.
Radium or radon springs are a recognised therapeutic category in several countries. At the low concentrations found in natural springs, exposure is associated with hormesis, a mild beneficial stress response.
Radon concentrations in natural hot springs are far below levels associated with health risk. Those who are pregnant should consult a doctor before bathing.
Similar springs
The water is rich in calcium, magnesium, and hydrogen carbonate, surfacing at high temperatures to fill eighteen distinct indoor and outdoor pools. The facility features a spectacular Neo-Baroque yellow palace structure with large outdoor swimming areas where locals famously play chess in the steaming water. It suits travelers looking for a grand architectural experience and extensive thermal facilities. Rental towels can have long lines so bringing your own towel and flip-flops is highly recommended. Swim caps are strictly mandatory only in the outdoor fitness lap pool while the thermal pools do not require them. Expect large tourist crowds during peak afternoon hours.
The healing springs are loaded with calcium, magnesium, and hydrocarbonate minerals, keeping a series of ornate indoor pools beautifully heated. The facility showcases magnificent Art Nouveau architecture with intricate Zsolnay porcelain mosaics, towering marble columns, and colorful stained-glass windows overhead. It heavily suits art lovers and travelers seeking a visually striking, historical soaking environment. Visitors should note that the historic indoor pools can echo significantly and feel crowded during weekend afternoons. Bringing a personal towel and sandals is highly recommended. Swim caps are required only if you decide to enter the indoor wave and swimming pool areas.
The natural thermal water contains high levels of sulfur, calcium, and magnesium, flowing directly into a historic octagonal pool hall and modern wellness areas. The facility seamlessly blends a sixteenth-century Ottoman dome bath with a sleek modern wellness wing featuring a rooftop hot tub that overlooks the Danube River. It suits travelers looking for both historic Turkish authenticity and modern panorama views. Visitors must be aware that the historic Turkish section retains traditional single-sex days for men and women during the week while the weekend is completely coed. Swimsuits are required on coed days and a swimsuit is always mandatory in the newer rooftop wellness sections.
The thermal water is rich in sulfur, iodine, and bromine, providing an excellent therapeutic environment for chronic joint issues and neurological rehabilitation. The facility is a beautifully landscaped, massive family adventure and thermal bath complex featuring indoor beach pools, a dedicated kids world, and targeted medical soaking zones. It suits multigenerational families who want to keep children entertained while adults relax in dedicated quiet thermal areas. Visitors should plan for heavy weekend crowds during the summer school holidays. Under-14s are restricted from entering the specialized high-concentration indoor medicinal pools to maintain a quiet healing environment.
Amenities
Getting there
From Budapest
Gateway: Keszthely Railway Station (150 min)
Regional bus line 6310 directly to Heviz bus terminal
Total journey: 170 min
- From Keszthely central bus station to Heviz station (Bus) · 7.5km · 15 min
- Direct drive via route 71 with parking near the entrance (Car) · 0.5km · 2 min
Drive north from Keszthely for ten minutes along Route 71, or take a direct regional bus from the Keszthely train station.
Location & nearby
Hévíz, Dr. Schulhof Vilmos sétány 1, 8380
Make a day of it
Pair your soak with these nearby spots.
Attraction
Spa Hévíz
0.1km away
Attraction
Hévízi Tófürdő
0.1km away
Attraction
Hévíz Spa
0.1km away
Attraction
Festetics Fürdőház
0.2km away
Attraction
Fedett Fürdő és Terápiás Centrum Hévíz
0.2km away
Attraction
Bad Hévíz
0.3km away
More springs in Western Transdanubia
The unique water features an exceptionally high mineral content of sodium chloride, hydrogen carbonate, and iron, giving the therapeutic pools a distinct dark color and unique healing properties. The facility is the second largest spa complex in Hungary, boasting over thirty-four pools, extensive medical treatment areas, a modern sauna world, and an outdoor adventure park. It suits seniors seeking physical rehabilitation and families looking for diverse outdoor water slides. Visitors should note that the medicinal pools have an intense mineral aroma and can cause minor swimwear staining over time. Swim caps are required only in the designated indoor sport swimming lanes.
The thermal water is rich in sulfur, iodine, and bromine, providing an excellent therapeutic environment for chronic joint issues and neurological rehabilitation. The facility is a beautifully landscaped, massive family adventure and thermal bath complex featuring indoor beach pools, a dedicated kids world, and targeted medical soaking zones. It suits multigenerational families who want to keep children entertained while adults relax in dedicated quiet thermal areas. Visitors should plan for heavy weekend crowds during the summer school holidays. Under-14s are restricted from entering the specialized high-concentration indoor medicinal pools to maintain a quiet healing environment.
The spa operates with two separate types of thermal water, including a deep sodium chloride water and a shallower hydrogen carbonate water that are excellent for joint mobility. The facility is a massive, modern family-oriented resort complex with a large indoor adventure wing, multiple healing pools, and an expansive outdoor park with wave pools. It perfectly suits families with young children and wellness travelers looking for comprehensive medical spa services. Bringing flip-flops is required for hygiene inside the locker zones. The family adventure zone is completely separated from the quiet therapeutic wing, ensuring a peaceful experience for healing patients.
Common questions
What is the water temperature at Lake Hévíz Thermal Lake?▾
The water temperature at Lake Hévíz Thermal Lake ranges up to 38°C (minimum around 24°C).
Is Lake Hévíz Thermal Lake free to visit?▾
Lake Hévíz Thermal Lake charges an entrance fee in HUF.
Is Lake Hévíz Thermal Lake a public or private bath?▾
Lake Hévíz Thermal Lake is a public bathing spring.
Are tattoos allowed at Lake Hévíz Thermal Lake?▾
Yes, Lake Hévíz Thermal Lake welcomes visitors with tattoos.
What is the nearest station to Lake Hévíz Thermal Lake?▾
The nearest station to Lake Hévíz Thermal Lake is Keszthely Railway Station, about 6.2km away.