Infrared saunas in Osaka, Japan
天然温泉 なにわの湯
Tennen Onsen Naniwa no Yu is a super sento on the eighth floor near the Tenjinbashisuji 6-chome shopping arcade, under 2 km from Osaka station. Its natural hot spring is drawn from 659 m. Men get a large tower sauna with auto-löyly on the hour and half hour and a 45°C steam room with salt; women get a far-infrared tower sauna with auto-löyly, a salt sauna and a collagen-light steam room. The cold bath uses groundwater. Entry is ¥900 on weekdays, ¥1,000 at weekends.
天然温泉 ひなたの湯 大阪ユニバーサルベイサイド
Hinata no Yu Osaka Universal Bayside opened in June 2025 on the 14th floor of a building five minutes from Ajikawaguchi station, calling itself a sento with a natural hot spring from 1,000 m and open-air baths over Osaka Bay. The far-infrared tower sauna seats about 20 and has auto-löyly and Aufguss sessions; a cold bath and an outdoor rest area with beds and chairs catch the sea breeze. Open 7:00 to 24:00; adult entry is ¥900 on weekday daytimes, rising to ¥1,400 on weekend evenings.
天然温泉 ひなたの湯 新大阪店
Hinata no Yu Shin-Osaka is a day hot spring on the ninth floor of a building six minutes' walk from the Shin-Osaka office district, with a natural spring from 800 m and mostly open-air baths looking out over the city. Its far-infrared sauna is set to 85°C with tiered seating, and the cold bath runs at 17.5 to 18°C; occasional Aufguss events are held. It opens at 6:00 for morning bathing, 8:00 on Saturdays, and closes at 1:00. Adult entry is ¥880 on weekdays and ¥1,000 at weekends.
鶴見緑地湯元水春
Tsurumi-ryokuchi Yumoto Suishun is a day hot spring by Tsurumi-ryokuchi station, drawing a therapeutic spring from 1,300 m for its 13 baths. Men have a far-infrared sauna, a herbal salt steam sauna and a meditation sauna with push-button löyly; women have the far-infrared and herbal salt steam saunas. Staff also fan guests with big uchiwa during löyly sessions, and there is a cold bath and one of Osaka's largest bedrock-bath areas. Open 9:00 to 2:00, from 6:00 on Sundays.
天然温泉 なにわの湯
Tennen Onsen Naniwa no Yu is a super sento on the eighth floor near the Tenjinbashisuji 6-chome shopping arcade, under 2 km from Osaka station. Its natural hot spring is drawn from 659 m. Men get a large tower sauna with auto-löyly on the hour and half hour and a 45°C steam room with salt; women get a far-infrared tower sauna with auto-löyly, a salt sauna and a collagen-light steam room. The cold bath uses groundwater. Entry is ¥900 on weekdays, ¥1,000 at weekends.
天然温泉 ひなたの湯 大阪ユニバーサルベイサイド
Hinata no Yu Osaka Universal Bayside opened in June 2025 on the 14th floor of a building five minutes from Ajikawaguchi station, calling itself a sento with a natural hot spring from 1,000 m and open-air baths over Osaka Bay. The far-infrared tower sauna seats about 20 and has auto-löyly and Aufguss sessions; a cold bath and an outdoor rest area with beds and chairs catch the sea breeze. Open 7:00 to 24:00; adult entry is ¥900 on weekday daytimes, rising to ¥1,400 on weekend evenings.
天然温泉 ひなたの湯 新大阪店
Hinata no Yu Shin-Osaka is a day hot spring on the ninth floor of a building six minutes' walk from the Shin-Osaka office district, with a natural spring from 800 m and mostly open-air baths looking out over the city. Its far-infrared sauna is set to 85°C with tiered seating, and the cold bath runs at 17.5 to 18°C; occasional Aufguss events are held. It opens at 6:00 for morning bathing, 8:00 on Saturdays, and closes at 1:00. Adult entry is ¥880 on weekdays and ¥1,000 at weekends.
鶴見緑地湯元水春
Tsurumi-ryokuchi Yumoto Suishun is a day hot spring by Tsurumi-ryokuchi station, drawing a therapeutic spring from 1,300 m for its 13 baths. Men have a far-infrared sauna, a herbal salt steam sauna and a meditation sauna with push-button löyly; women have the far-infrared and herbal salt steam saunas. Staff also fan guests with big uchiwa during löyly sessions, and there is a cold bath and one of Osaka's largest bedrock-bath areas. Open 9:00 to 2:00, from 6:00 on Sundays.