Expat Japan Guide

Onsen Guide for Foreigners in Japan (2025): Rules, Etiquette, and Best Baths

Onsen (温泉) — Japan’s natural hot spring baths — are one of the great pleasures of living in Japan. But first-timers often make mistakes that cause embarrassment. Here’s everything you need to know. Types of Onsen Type Description 露天風呂 (Rotenburo) Outdoor bath — often the most scenic 内湯 (Uchiyu) Indoor bath 貸切風呂 (Kashikiri-buro) Private/reserved bath — book in advance 混浴 (Konyoku) Mixed-gender bath — increasingly rare 日帰り温泉 (Higaeri onsen) Day-trip onsen — no overnight stay needed The Basic Rules Before You Enter Pay at the front desk (番台) — usually ¥500–1,500 for day use Separate by gender — men (男/♂) and women (女/♀) use different entrances Remove shoes at the entrance, store in lockers In the Changing Room (脱衣所) Undress completely — swimwear is not allowed in traditional onsen Store clothes and valuables in a locker Bring your small towel (tenugui) into the bath area At the Washing Station (洗い場) Always wash your entire body before entering the bath — this is non-negotiable Sit at a washing station (individual shower station with stool and bucket) Use the soap and shampoo provided (or bring your own) Rinse all soap off completely before entering the hot spring In the Bath Keep your small towel out of the water (fold it on your head or set it aside) No splashing, swimming, or loud talking Don’t drain or dirty the water Rinse off again after soaking if you’ve been sweating heavily Tattoo Policy This is the biggest issue for many foreigners. Most traditional onsen and public baths do not allow tattoos due to historical association with the yakuza. ...

April 27, 2025 · 3 min · Expat Japan Team