At a typical shared Japanese onsen, you leave your clothes and swimwear in the changing room, wash before getting in, and keep your towel out of the water. Check each facility’s rules before you go, especially if you have tattoos, want a private family bath or are bringing young children.
This guide explains basic bathing etiquette and what to ask when planning a day trip from Sapporo. It does not review any particular onsen or confirm that your family will be admitted.
Start with the type of bath you want
The Jozankei Tourist Association’s day-trip directory lists facilities and lets you filter for private baths you can reserve and rooms with their own open-air bath. These are different things: a private bath may be booked for a set time, while a bath in your room may come only with an overnight stay.
Decide whether you want a shared bath on a day visit, a private session or an overnight stay before comparing prices. A directory category can help you narrow down your options, but it does not guarantee that day visitors can book a private bath on your date.
Can you wear a swimsuit?
JNTO’s onsen guide explains that people usually bathe nude and leave swimwear in the changing room. Some facilities do things differently, so check rather than assuming a private bath means swimsuits are allowed.
If you would rather not bathe nude in a shared bath, ask about private options before paying for admission. A shared onsen is a very different experience from a hotel swimming pool.
Which towel goes where?
JNTO’s bathing-etiquette overview explains that the small towel is used outside the water, not in the bath itself. Keep towels out of the water and tie up long hair. Wash and rinse off at a washing station before you get in.
Ask whether towels are included, available to rent or sold separately. Even if soap and shampoo are provided, a towel may not be included in the admission fee. Keep a dry towel handy for when you leave the bathing area.
What if you have a tattoo?
Contact the facility directly and describe the size and location of your tattoo. Policies vary. Do not assume you will be allowed in because your tattoo is small, because you cover it with a sticker or because you are an overseas visitor. What matters is what that onsen currently allows.
If covering a tattoo is allowed, ask what size of cover is acceptable and whether the facility provides one. If you choose a private bath, confirm the tattoo policy for that option too. A website mentioning private baths does not mean every other rule is waived.
This guide does not name any tattoo-friendly onsen, because we have not confirmed any facility’s current policy for your situation. A direct written reply from the onsen is more useful than an old review saying someone else was allowed in.
Can the whole family bathe together?
| Question | Why ask before booking |
|---|---|
| Are private baths available to day visitors? | They may only come with certain stays or packages |
| Can our whole group use it together? | Capacity and family rules vary |
| Are babies or children still in diapers allowed? | Rules for children vary from place to place |
| What are the age rules for the shared baths? | Do not assume they match another onsen |
| What does the price include? | Admission, room use, towels and extra time may be charged separately |
Give each child’s age when you ask. Ask about the actual private bath, the changing area and the time slot, rather than relying on the words “family-friendly” to tell you the details.
Bathing etiquette still applies in a private bath. Check the rules on clothing and follow any posted instructions. Having the bath to yourselves does not make it a swimming pool or a place to play.
Phones, photos and the changing room
Keep your phone or camera put away, and follow the facility’s no-photography rules. Even if a room seems empty, do not take photos in shared bathing or changing areas. Instead, ask staff whether there is somewhere outside those areas where photos are allowed.
Watch for signs about taking off your shoes and how to store them at the entrance. Keep any key with you as instructed, and make sure you can find your locker again afterward.
A message you can send before the trip
“We would like to visit on [date] with [number] adults and children aged [ages]. Do you offer private baths for day visitors? One person in our group has a tattoo about [size] on [location]. Could you please let us know your admission rules, swimwear policy, the total price, whether towels are included and how to reserve a time slot?”
Remember the journey home
Check transportation and last entry times before booking. Do not plan your trip back based only on the travel time shown on a map. In winter, use our walking guide to plan any outdoor stretches and our footwear guide for the journey. If you are staying overnight, our guide to hotel policies for children can help you check room and meal conditions separately.
Information checked on October 8, 2026. This is a guide to etiquette and booking, not medical advice or confirmation of any facility’s admission policy.
Leave a Reply