BeforeYouGoToJapan - Best Practices for a Seamless Trip

An onsen — a natural hot spring bath — is one of the most relaxing experiences a Japan trip can offer, and also one of the more etiquette-sensitive ones. The rules aren't complicated, but they're rarely explained clearly before you're standing in front of the changing room.

These are the best practices for onsen and public bath etiquette, covering exactly what to do so the experience feels relaxing rather than nerve-wracking. None of it is difficult once it's laid out clearly, and a few minutes of preparation before your first visit is all it takes.

Wash Thoroughly Before You Enter the Bath

The single most important rule: the communal bath itself is for soaking, not washing. Individual washing stations, usually with a low stool, a handheld shower, soap, and shampoo, are provided for you to thoroughly wash and rinse before stepping into the shared water. Skipping this step is the fastest way to draw disapproving looks, since it's treated as a basic hygiene expectation rather than an optional extra.

Take your time at the washing station rather than rushing through it — a proper wash is the whole point of that part of the routine, not a formality to get past quickly. Most stations provide everything you need, including a small stool to sit on, so there's no need to bring your own supplies unless you have a specific preference.

No Swimwear, and Baths Are Usually Gender-Separated

Related: Before You Go to Japan - Complete Guide.

Bathing is done without clothing, which surprises some first-time visitors. Baths are typically separated by gender, with clearly marked entrances, though some establishments offer mixed or private family bath options if you'd prefer that. It can feel awkward the first time, but it's completely normal within the culture, and nobody pays much attention once you're in the water.

Private or family baths, sometimes bookable for a set time slot, are a good option for couples, families with young children, or anyone who would simply prefer a bit more privacy for their first experience. These often need to be reserved in advance, particularly at popular ryokan, so ask at check-in or booking time if this option matters to you.

Small Towels Have Their Own Etiquette

Many onsen provide or sell a small towel, which is used for washing at the station and for a small amount of modesty walking between areas, but it generally isn't taken into the bath water itself — folding it and placing it on your head or beside the bath while soaking is the common practice. Larger towels for drying off afterward are usually kept in the changing area, not brought poolside.

If the small towel isn't provided as part of your visit, it's often available to buy or rent at the front desk or a nearby vending machine, so it's rarely something you need to bring from home unless you'd simply prefer your own.

Tattoo Policies Vary and Are Worth Checking Ahead

See also: BeforeYouGoToJapan - Expert Advice for a Seamless Travel Experience.

Tattoos have historically been associated with organised crime in Japan, and while attitudes are gradually shifting, particularly at hotels and facilities used to international visitors, some onsen and public baths still restrict or prohibit visible tattoos. If you have tattoos, it's worth checking a specific facility's policy before you go — some offer cover stickers or private bathing options as a workaround, while others have relaxed the rule entirely. This varies enough by establishment that it's not safe to assume either way.

Booking accommodation with a private in-room or reservable bath is a reliable workaround if you'd rather avoid the question entirely, and many hotels and ryokan now offer exactly this option, sometimes marketed specifically toward international guests.

Ryokan Baths Have Their Own Rhythm

If your onsen experience is part of a ryokan stay, there's often a designated bathing time or the bath may be shared on a rotating private basis, particularly for smaller or family-run establishments. Check with staff about timing and any specific house rules when you check in, since these can differ from the larger public bath houses you might visit in a city or dedicated hot spring town.

Some ryokan alternate access to different baths between morning and evening, so guests get to experience more than one setting during their stay, and staff will usually explain the schedule clearly at check-in if you ask.

Relax — Nobody Expects Perfection

Locals are generally understanding of visitors who are unfamiliar with onsen etiquette, and staff will often gently guide you if you're unsure. Watching what other bathers are doing when you arrive is a reliable way to pick up the specific rhythm of that particular bath house. Before You Go To Japan generally suggests treating your first onsen visit as a learning experience rather than something to get perfectly right — the relaxation is the point, and the etiquette becomes second nature after one visit.

By your second or third onsen of a trip, the routine — wash, rinse, soak, repeat as long as you like — starts to feel completely natural, and many visitors come to see it as one of the genuine highlights of travelling in Japan rather than a cultural hurdle to get past.

Wash first, leave the small towel out of the water, check tattoo policies ahead if relevant, and the rest of the experience is exactly as relaxing as it looks in photos. Give yourself proper time for at least one onsen visit on any Japan itinerary — rushing this particular experience defeats the purpose of the whole thing.