Japanese Onsen in Hero – a source of strength and energy

Onsen – Japan’s hot springs

Japan is a rare country with hot springs, and many foreigners visit Japan every year to visit onsen.

Introducing popular hot spring resorts in Japan!

If you are in Japan, don’t miss the opportunity to visit the world’s most popular hot spring city.

We will present the 10 most recommended hot springs you should visit if you come to Japan!

What is a hot spring?

When you hear about hot springs, I think many people imagine famous attractions in Japan, such as Atami Onsen and Kusatsu Onsen.

Hot springs are not just “warm water.” It is “water of a different nature,” created by hot or mineral water that flows out of the ground, or by water vapor or other gases.

So, what is the difference between ordinary water and hot springs? Let’s look at it in detail.

Definition of hot springs

In Japan, information about hot springs is compiled in the “Hot Spring Law.”

In the “definition” of Article 2 of the Hot Spring Law, “hot spring” means hot water, mineral water, water vapor, and other gases. It is stated to be of the temperature or substance listed in the attached table.

Attached table (Excerpt from the Ministry of Environment website)

1. temperature (when taken from a hot spring) above 25 degrees Celsius

2. Substances (one of the following)

Lithium ion (Li+) 1 mg or more

Strontium ion (Sr2+) 10 mg or more

Free carbon dioxide (CO2) (free carbon dioxide) 250 mg or more

Ferro or ferrion (Fe2+, Fe3+) (total iron ion) 10 mg or more

Barium ion (Ba2+) 5 mg or more

First manganese ion (Mn2+) (manganese (ii) ion) 10 mg or more

Free carbon dioxide (CO2) (free carbon dioxide) 250 mg or more

Hydrogen ion (H+) 1 mg or more

Metagenic acid (HASO2) 1 mg or more

Bromine ion (Br -) (bromide ion) 5 mg or more

Total sulfur (Sulfur -) [Corresponding HS-+S2O32 – + H2S] 1 mg or more

Metagenic acid (HASO2) 1 mg or more

Fluorine ion (F -) (fluorine ion) more than 2 mg

Metaboronic acid (HBO2) 5 mg or more

Metagenic acid (HASO2) 1 mg or more

Metasilicylic acid (H2SiO3) 50 mg or more

Hydrogen arsenate ion (HASO42 -) (hydrogen arsenate ion) more than 250 mg

Bicarbonate (NaHCO3) (sodium bicarbonate) 340 mg or more

Iodine (I-) ion (iodide ion) 1 mg or more

Radon (Rn) 20 (1 curie unit of ten billion) or more

More than 1 mg of radium salt (as Ra) 1 billion minutes

In other words, to be called a hot spring, the water must be naturally extracted from the earth (or be prepared using ingredients found in the earth). The temperature of the water must be above 25 degrees Celsius. Or it must contain a certain amount of predetermined ingredients.

Onsen with health benefits

As you can see, hot springs are water with unique characteristics.

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Bathing in hot springs can help cure many diseases, which attracts a lot of attention from Japanese and foreigners.

Are there any benefits of hot springs?

The effectiveness of hot springs varies depending on the ingredients in the hot springs and it is believed that there are different effects that affect the mind and body.

The hot spring ingredients are absorbed directly from the skin and affect the subcutaneous tissue and blood vessels. Therefore, it is effective in improving the skin and improving blood flow.

In addition, since some hot springs are also referred to as “recovery springs”, the hot spring ingredients are believed to be effective in improving chronic illness and resistance to cold.

It is also believed to be effective against mental disorders such as depression, which has increased in recent years. There are many people who try to change their lives by relaxing in the hot springs and take a new step.

Thus, since hot springs have different effects, it is advisable to look for hot springs that contain ingredients that suit your body and that can relax properly.

Recommended hot springs in Japan

Japan is a country of hot springs that has attracted a lot of attention from all over the world. We will introduce popular hot springs that Japan is proud of.

Atami Onsen (Shizuoka Prefecture)

“Atami Onsen is a large hot spring city with over 500 springs. The average temperature of the springs is very high at 63 degrees, and it is recognized as one of the best “hot spring resorts” in Japan.

Because the hot spring is colorless, transparent, and odorless, even beginners can safely use it.

There are also many hot springs that are effective in relieving fatigue and improving the digestive system.

Access from the city center is very good, and the secret to its popularity is that you can get from Tokyo Station in just 35 minutes by Shinkansen.

Since the area thrives as a hot springs city, you can also enjoy shopping and food. And the sea and mountain scenery is unforgettable!

Kusatsu Onsen (Gumma Prefecture)

Kusatsu Onsen (Gumma Prefecture)

Kusatsu Onsen has participated in the “Nippon no Onsen 100 Selection” contest held annually by Kanko Keizai Shimbun Co. For 18 consecutive years it has won 1st place.

Here the number of natural hot springs is the largest in Japan, and the entire area thrives as a hot spring city.

Many of the hot springs are acidic and have excellent bactericidal effects. It is also popular as an area of medical treatment for skin diseases, neuralgia, diabetes, etc.

The secret of its popularity is also that you can enjoy different kinds of hot springs here. For example, a large public bathhouse, an outdoor bathhouse surrounded by nature, and a hot spring with additional entertainment.

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Beppu Onsen (Oita Prefecture)

“Beppu Onsen is also one of the most representative hot springs in Japan.

It is located near 2 volcanoes and is popular with foreigners. Here you can enjoy the atmosphere of a unique town with hot springs.

Beppu Onsen has 8 hot spring resorts called Beppu Hatii. Here you can walk through the hot springs resorts with an unusual atmosphere.

The ingredients of the hot springs are also varied. You can enjoy a wide range, from clear to muddy hot springs.

Beppu Onsen (Oita Prefecture)

This resort recently opened an amusement park. It is a resort that conveys the charm of hot springs in various ways.

Arima Onsen (Hego Prefecture)

Arima Onsen is considered the oldest hot spring in Japan.

Located on Mount Rokko, Arima Onsen has good access from Kobe and Osaka.

The 9 therapeutic ingredients of the water add to the popularity of this onsen.

By choosing a hot spring suitable for your own illness, you can expect high effectiveness.

The maiko culture is firmly rooted as the basis for the existence of the hot spring town, and the secret of its popularity is that here you can enjoy not only the hot spring, but also the traditions from ancient times.

Gero Onsen (Gifu Prefecture)

This is the Gero Onsen, which is considered one of the three famous springs in Japan. It is a natural hot spring that boils at a high temperature of 84 degrees.

The water of this hot spring is colorless, clear and alkaline, and it has a light aroma with a slight aftertaste. Therefore, it is gaining popularity as a hot spring that anyone can use.

There are also many bus tours from Tokyo, Osaka, Nagoya, etc. And it is a hot spring resort that is easy to visit even without a car.

You can enjoy both the atmosphere of the hot spring city, which has flourished since ancient times, and the vast nature.

Kinugawa Onsen (Tochigi Prefecture)

Kinugawa Onsen is located near Nikko, Tochigi Prefecture, which is one of Japan’s landmarks.

It is also called “Tokyo Okuyashiki” because it has good access from Tokyo.

The quality of the spring is alkaline, and it is highly effective against burns.

You can also enjoy the hot springs in hotels and inns built along the Kinugawa River. One of the features is an outdoor bathhouse made along the river.

It is also famous for being home to various entertainment hotels, so you can enjoy it even with your family.

Hakone Onsen (Kanagawa Prefecture)

Hakone Onsen-one of the largest hot spring towns. It is famous for being home to 17 hot spring resorts.

Hakone is popular as a place for short stays because it is easily accessible from Tokyo, for example by train.

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In addition, the hot springs resort, which merges with the mountain, is popular with foreigners, and many foreigners also want to see it.

This onsen is popular among women because of the high quality of the spring water, which has a wonderful effect on the skin.

In addition to aesthetics, massage and relaxation, one can also enjoy sumptuous seafood dishes.

Hakone is also known as a city of art, and there are many museums.

Hakone Onsen (Kanagawa Prefecture)

It is also known as the center of Hakone Ekiden, and it is also a city with hot springs that many people would like to visit at least once.

Akiu Onsen (Miyagi Prefecture)

Akiu Onsen is known as a hot spring resort in Tohoku. There are many hot springs along the Natori River, and hotels and hotels are scattered everywhere.

It is also called Sendai no Oku-zashiki because it is in a good location 30 minutes by car from Sendai.

The quality of the water is mildly salty and is said to be very effective for rheumatism, neuralgia, wounds, anemia, etc.

The trees along the Natori River are magnificent, and many tourists visit during the fall leaf season.

This hot spring is recommended for those who want to refresh their minds and bodies in the wonderful scenery.

Yufuin Onsen (Oita Prefecture)

Yufuin Onsen is a hot spring town in Oita Prefecture that divides Beppu Onsen into two parts.

It is a hot spring resort spread out at the foot of a mountain. It is full of elegance and nature and is very popular.

Yufuin Onsen (Oita Prefecture)

Due to the abundance of water flowing out of the ground, there are many hot springs here. And since there are many public baths that can be visited inexpensively, it is also ideal for hot springs tours.

Nasu Onsen (Tochigi Prefecture)

“Nasu Onsen” is a famous hot spring known as the oldest hot spring in Tochigi Prefecture. It is there that you will find many hot springs.

The quality of the hot spring-sulfur, the smell of sulfur often hangs around, and it is perfect to enjoy the atmosphere of the hot spring.

There is an old legend that Shiraga healed wounds in Nasu Onsen. Therefore, Nasu Onsen is considered a hot spring suitable for treating injuries and illnesses.

It is also great for long stays and relaxation of the mind and body .

In addition, you can enjoy different kinds of hot springs. For example, cypress baths n and open-air baths surrounded by nature.

What you should keep in mind when going to hot springs.

You can expect a variety of effects from a hot spring, but you should be especially careful about the compatibility of diseases and the quality of the hot spring.

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If you have the following conditions, your symptoms may worsen depending on the quality of the hot spring.

– Severe hypertension, atherosclerosis

– Myocardial infarction, angina attack

– Severe heart or liver disease

– Cancer, leukemia, sarcoma

– Gastric or duodenal ulcers

– During pregnancy or immediately after childbirth

– Acute infectious diseases

So be sure to choose a hot spring that’s right for you.

Also, make sure that you drink enough water before entering the hot spring. Do not visit it while intoxicated, do not stand up abruptly. And avoid swimming for long periods of time.


There are many excellent hot springs in Japan that are popular with foreigners. While in Japan, we recommend going to the hot spring featured in our ranking. Or to any other hot spring of your choice.

Top 10 Japanese hot springs (onsen)

Yufuin Onsen

Many hot springs in Japan used to be sacred places where the Japanese came to heal their injuries and illnesses. Later, during the Edo period, people who fell ill began to stay in onsens for weeks or even longer to heal. This is how innkeepers began to appear.

Nowadays, visiting hot springs has become more of an entertainment or a kind of rest and relaxation. In many onsens, in addition to the hot springs themselves, you can enjoy stunning views, delicious food, and wander around the stores in the vicinity. This way you can relax and improve your health.

If a visit to Japan is not yet in your plans, you can cure and improve immunity at the sanatorium DILUCH in Anata. Among other treatments we highly recommend a visit to the Therapeutic Massage Unit, which you can find out more about by following the link https://diluch.ru/lechenie/otdelenie-lechebnogo-massazha.html .

Hakone Onsen

This is one of the popular hot spring areas, located just an hour and a half from Tokyo by car or train. There are many day spas and stores where you can buy souvenirs.

Onsens are located along the Hayakawa and Sukumogawa Rivers. You can choose from a variety of rooms for different tastes, from historic and having a purely Japanese home style to a large-scale resort hotel.

Hakone Onsen

Location: Hakonemachi, Ashigarashimo-gun, Kanagawa.

Yufuin Onsen

This onsen is located at the foot of Mount Yufudake in Oita. It is especially popular with women. You have to live in the countryside, which allows you to enjoy the fantastic scenery. Nevertheless, there are museums, trendy restaurants and stores, which is exactly what women want to get into.

Yufuin Onsen

Location: Kawakami, Yufuincho, Yufu-shi, Oita.

Kusatsu Onsen

This onsen, located in Ganma, is the leading onsen in Japan. A kind of symbol of Kusatsu is a structure Yubatake, which is the main source of thermal water.

There are always a lot of people here because it is possible to visit many hot springs for free, as well as enjoy shopping in the local stores. In addition, there are good hotels, hotels and cafes throughout the resort area.

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Location: Kusatsumachi, Agatsuma-gun, Gunma.

Noboribetsu Onsen

This onsen is recognized as the best on the island of Hokkaido because of its accessibility, history, and the quality of the waters. The waters of this hot spring contain sulfur and hydrogen sulfide which soften the skin and iron which reduces fatigue.

Noboribetsu Onsen

Location: Noboribetsu Onsencho, Noboribetsu-shi, Hokkaido.

Beppu Onsen

This onsen is the largest in Japan in terms of the number of hot springs and the volume of water they contain.

To get to know the place better we suggest taking a tour called Beppu Jigoku Meguri (Beppu Hell Tour). This way you can see the different types of Jigoku springs, such as: Sea Hell, Blood Pond Hell, White Pond Hell, and Tornado Hell. You can also enjoy eggs boiled in a hot spring.

Location: Beppu-shi, Oita.

Kurokawa Onsen

This onsen is located about 75 minutes north of Mount Aso in Kumamoto. Almost every hotel here has an open-air hot spring. And if you buy a subscription called “Nyuyoku tegata,” you can bathe in three different hot springs. The water from the springs has a soothing effect on the nerves.

Kurokawa Onsen

Location: Minami Ogunimachi, Aso-gun, Kumamoto.

Ibusuki Onsen.

There is a shuttle bus service from Kagoshima airport which takes about 95 minutes to get here. This onsen is famous for a natural sand bath called “Sunamushi”. In short, you will be taken to the beach and buried in the hot sand so that only your head remains. This procedure has a beneficial effect on nerves and muscle pain, and also has a rejuvenating effect.

Ibusuki Onsen

Location: Ibusuki-shi, Kagoshima.

Arima Onsen

It is one of the oldest and most famous hot springs in Japan. It is located an hour’s drive from Osaka. It is famous for a hot spring called Toyotomi Hideyoshi, named after one of the most powerful rulers. Also popular are the reddish brown hot spring called Kinsen (Golden Spring) and the clear hot spring called Ginsen (Silver Spring).

Arima Onsen

Location: Kita-ku, Kobe-shi, Hyogo.

Gero Onsen

This onsen is located in Gifu and is one of the three most famous hot springs in Japan. The water in the springs is alkaline.

It is also advisable to visit the village of Gero Onsen Gasshomura, where you can see the houses with steeply pitched roofs. From spring to fall, the Ideyu Ichi fair is held here in the mornings, which we also recommend visiting.

Gero Onsen

Location: Gero-shi, Gifu.

Shibu Onsen

This famous and unique Hot Spring resort is located in Nagano. At Jigokudani Monkey Park you can watch wild monkeys bathe in the hot springs.

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