Can you wear jewelry in a public onsen?
No, jewelry should be removed before entering a Japanese onsen. Minerals in the water can cause rust or damage. Lockers are safe and provided.
Conclusion
No — you should remove all jewelry before entering an onsen.
Most hot springs in Japan contain minerals that may cause rust or discoloration, especially on silver or plated metals. 💍♨️
General Information
Japanese onsen (hot springs) have unique water compositions depending on the region.
Some are alkaline, but many are acidic, and this can damage your jewelry over time.
Even if your jewelry is made of stainless steel or gold, the heat and minerals can still affect its color, surface, or shine.
That’s why the common rule in Japanese onsen is: no jewelry, no watches, no accessories.
Why You Should Remove Jewelry
| Reason | Explanation |
|---|---|
| 🔧 Corrosion | Many onsen waters are acidic or contain sulfur, which can damage metals like silver or copper |
| 🟡 Discoloration | Minerals in the water can change the color or finish of rings, earrings, etc. |
| 💧 Loss Risk | Hot water can make rings slip off or loosen earring backs |
| 🔐 Locker Provided | Most onsen facilities have lockers where you can store your valuables safely |
My Personal Tip
As someone who visits onsen regularly, I always remove all jewelry — even if it’s made of “rust-proof” metal.
The locker key is usually worn on your wrist or ankle with a rubber band, and that’s the only item you should take into the bath with you.
💡 You don’t need to worry about theft — lockers in Japan are very secure and are part of the cultural norm in onsen facilities.
How to Store Your Jewelry at an Onsen
- Use the locker provided in the changing room
- Keep your locker key on your wrist (they’re waterproof and provided by the facility)
- If you're worried about valuables, leave expensive items at your hotel
- Some high-end onsen offer safe deposit boxes — ask at the front desk
Travel Tips
- Remove all jewelry, watches, smartwatches before entering the bathing area
- Do not bring phones or cameras — photography is not allowed in public baths
- Bring a small towel into the bath (but don’t put it in the water)
- Always shower and rinse off before entering the onsen
- Tattoos may not be allowed — check the rules or use a cover sticker
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