Quick answer
For most onsen in Japan, wash before entering, do not put towels in the bath, keep swimwear out unless allowed, and check tattoo rules before you go.
- Wash your body before the bath
- Keep towels out of the water
- Check tattoo and swimwear rules
- Move quietly and avoid photos
- Leave if you feel dizzy or overheated
Choose your onsen situation
Pick the situation closest to your trip. Onsen rules feel easier when you know what matters before you enter.
Before using an onsen, check these
Use this short checklist before you decide what to do.
- Tattoo policy, private bath options and opening hours.
- Whether towels are included or rented separately.
- Where to wash before entering the bath.
- Rules about swimwear, phones and photography.
- How long you can safely stay in hot water.
What to know
Related Japan travel guides
Continue with hotel, manners and daily custom guides.
FAQ
Do tourists need to be naked in Japanese onsen?In most traditional onsen, yes, guests bathe without swimwear. Some private baths, foot baths or special facilities may feel easier for first-time visitors.
Can I enter an onsen with tattoos?Tattoo rules vary by facility. Check before visiting, look for tattoo-friendly onsen, ask about cover stickers or choose a private bath.
What is the most important onsen rule?Wash your body before entering the shared bath. Also keep towels, phones and cameras out of the bathing area.