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In-room open-air bath

Area

Hokkaidō16
Tōhoku45
Kantō59
Kōshin'etsu25
Tōkai33
Hokuriku22
Kansai47
Chūgoku36
Shikoku29
Kyūshū63
Okinawa7

Type

Natural hot spring377
Day-trip onsen362
Onsen ryokan126
Onsen town55
Public bathhouse (sento)143
Super sento56
Urban day spa6
Sauna facility13
Remote onsen60
Mixed & swimwear bath27
Bath theme park10

Feature

Open-air bath263
Fresh spring water flow175
Sauna145
Private bath68
Bath hopping36
Snow-view bath33
Sea view45
Sand bath5
Under ¥1,000275
Family friendly178
Open late69
5 min from station51
English-speaking staff6

Tattoos

Allowed25

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© 2026 Japan Onsen Guide · Updated: 2026-09-25