Onsen with an open-air bath in Osaka
Rotenburo — bathing outdoors, which is what most people picture when they picture an onsen.
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Spa World
スパワールド 世界の大温泉
Tattoos not allowed (day visit)
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Solaniwa Onsen OSAKA BAY TOWER
空庭温泉 OSAKA BAY TOWER
OK if covered (day visit)Private bath
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Naniwa no Yu Natural Hot Spring
天然温泉 なにわの湯
Tattoos not allowed (day visit)
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Spa Suminoe
天然露天温泉 スパスミノエ
Tattoos not allowed (day visit)
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Nobeha no Yu Tsuruhashi
天然温泉 延羽の湯 鶴橋店
Tattoos not allowed (day visit)Private bath
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Nobeha no Yu Habikino
天然温泉 延羽の湯 本店 羽曳野
Tattoos not allowed (day visit)
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Kamigata Onsen Ikkyu
上方温泉 一休 大阪店
Tattoos not allowed (day visit)
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Genki Onsen Banpaku Oyuba
源気温泉 万博おゆば
Tattoos not allowed (day visit)
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Ushitaki Onsen Shikimatsuri
牛滝温泉 四季まつり
Tattoos not allowed (day visit)Policy not published (overnight)Day visits without staying