Onsen with an open-air bath in Osaka
Rotenburo — bathing outdoors, which is what most people picture when they picture an onsen.
Spa World
スパワールド 世界の大温泉
Tattoos not allowed (day visit)
Solaniwa Onsen OSAKA BAY TOWER
空庭温泉 OSAKA BAY TOWER
OK if covered (day visit)Private bath
Naniwa no Yu Natural Hot Spring
天然温泉 なにわの湯
Tattoos not allowed (day visit)
Spa Suminoe
天然露天温泉 スパスミノエ
Tattoos not allowed (day visit)
Nobeha no Yu Tsuruhashi
天然温泉 延羽の湯 鶴橋店
Tattoos not allowed (day visit)Private bath
Nobeha no Yu Habikino
天然温泉 延羽の湯 本店 羽曳野
Tattoos not allowed (day visit)
Kamigata Onsen Ikkyu
上方温泉 一休 大阪店
Tattoos not allowed (day visit)
Genki Onsen Banpaku Oyuba
源気温泉 万博おゆば
Tattoos not allowed (day visit)
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
Day trips from Osaka
The same list for places you can reach from Osaka and be back the same day.