What to do when visiting an onsen in Japan
Many people visit the onsen not just for relaxation and improved circulation.
An onsen is a traditional Japanese hot spring, featuring baths that are fuelled by geothermal activity beneath the Earth's surface. These baths, which can be found all over Japan due to the country's volcanic activity, are filled with naturally heated mineral-rich water.
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Types of onsen
Onsens can be part of a larger spa facility, hotel or traditional inn (ryokan). They offer a variety of settings, from indoor baths to scenic outdoor pools (rotenburo) that allow bathers to enjoy natural vistas while relaxing in the soothing waters. You can also reserve a private onsen or an in-room onsen for individual or family use if you prefer more privacy.
Solaniwa Onsen Ticket in Osaka
Fu Fu No Yu Onsen Admission Ticket in Kyoto
Otherwise, you can also try ashiyu, a foot bath that can be found near hot spring towns. You can soak your tired feet in a small pool of hot spring water to get a taste of the onsen experience. Since ashiyu is usually free, expect a crowd during peak periods.
Benefits of onsen
The mineral-rich waters are believed to have healing properties, effective against various ailments such as muscle pain, joint pain, and skin problems. Many people visit the onsen not just for relaxation and improved circulation but also for the therapeutic effects associated with different minerals.
Deeply embedded in Japanese culture, onsens are valued not only for their health benefits but also for their role in social and communal life. They are often located in scenic areas that emphasise a connection with nature. Traditionally, these baths are used for public bathing and are considered a place to cleanse both the body and the mind.
Spa World Admission Ticket in Osaka
Uji Natural Hot Spring Genji-no-Yu Onsen Experience in Kyoto
What to do when visiting an onsen
1. Understand onsen etiquette
On entering the onsen facility, you'll typically remove your shoes. There may be shoe lockers or a designated shoe area at the entrance. Hygiene is also paramount in onsens. Before entering the hot spring baths, you must thoroughly clean and rinse your body in the washing area. This area is equipped with stools, shower heads, and soap. As onsens are generally quiet places meant for relaxation, it’s best to avoid loud conversations and noises.
2. Know the bathing rules
In most traditional onsens, swimsuits are not allowed. Bathing is done nude, though you’ll typically have a small towel that can be used for modesty when walking around. However, this towel should not be put into the onsen water. If you have long hair, tie it up to prevent it from touching the water. You should also not swim or submerge yourself in an onsen.
In Japan, tattoos are traditionally associated with the yakuza (organised crime groups). As such, many onsens do not allow people with visible tattoos. However, some facilities are more relaxed about this rule, especially those that cater to foreigners.
3. Choose the right onsen
There are several types of onsens, from public baths in small towns to private onsens in luxury hotels. Some are indoor, while others are in beautiful outdoor settings. Each onsen also has water with different mineral compositions, which are believed to have various health benefits. Choose according to what might suit your health needs, interests or budget.
Senkyaku Banrai Toyosu Manyo Club Onsen Experience in Tokyo
Oedo Onsen Monogatari Urayasu Mangekyo Hot Spring Experience in Chiba
4. Savour the experience
Take your time to soak and relax in the warmth of the onsen. It is common to enter and exit the bath slowly, cooling down between dips. As the hot water can dehydrate you quickly, make sure to hydrate before and after bathing. The classic way is to enjoy a small glass bottle of milk after soaking. Often, onsens are located in areas with speciality local foods. Enjoying a meal after a soak is part of the experience—try local sake, seafood, or regional dishes.
Manyo No Yu Onsen Experience in Fukuoka
Sapporo, Jozankei Tsuruga Resort Spa Mori no Uta One Day Tour
5. Health and safety
Onsen water is very hot, which can be stressful for the heart. If you have cardiovascular problems, high blood pressure, or are pregnant, consult a doctor before visiting an onsen. If travelling with children, make sure they can handle the heat of the onsen and educate them about the proper behaviour and hygiene required.
6. Cultural sensitivity
Be mindful and respectful about photography. Many onsens strictly forbid taking pictures, particularly in the bathing areas, to protect the privacy of guests. If unsure about anything, it’s perfectly okay to observe and follow what locals do.
Best onsens in Japan
Visiting an onsen is a popular activity for both domestic and international tourists. Some famous onsen towns include Hakone, Beppu, Noboribetsu, and Ibusuki, each offering a distinct experience with local attractions.
Beppu Yufuin Day Tour (Chinese, English and Korean guides)
Hakone Kowaki-en Yunessun Hot Spring Theme Park One Day Ticket
Onsen provides a unique insight into Japanese culture and can be a truly relaxing experience that combines natural beauty with traditional practices. Whether for health, relaxation, or cultural exploration, visiting an onsen can be a highlight of any trip to Japan. If you plan to visit an onsen in Japan, check out these 15 best ryokans with onsens.
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