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Osaka Osaka City
Directly connected to Bentencho Station. Featuring a 'Garden View Bath' overlooking a Japanese garden of approximately 1,000 tsubo, and open-air baths with natural hot spring water for both men and women. The dry sauna offers automatic löyly every hour, seamlessly transitioning to the cold plunge bath and outdoor air bath. Experience the rhythm of hot and cold in the high-rise cityscape, with a sense of openness during the day and stunning night views. You can also stay at the adjacent Art Hotel Osaka Bay Tower.
TypeNatural Hot Spring
A hypotonic, mildly alkaline hot spring that gushes from 1,000 meters underground. It feels gentle on the skin and is less likely to cause dizziness even with prolonged soaking. In the open-air bath with natural hot spring water, the combination of wind and view creates a sensation of relaxation. Move between the garden view bath and alternate baths to gradually enhance warmth and relaxation.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity20people
A dry type with a TV. The automatic löyly at 00 and 30 minutes past each hour quickly raises the heat and humidity. The löyly lasts about a minute, generating a large amount of steam, allowing you to work up a good sweat.
Water QualityTap Water
Capacity4people
Located immediately after exiting the sauna room. The temperature is approximately 16°C. It is an ideal temperature for a cold plunge bath, allowing you to relax and cool your body. After the cold water bath, you can enjoy an outdoor air bath or an indoor air bath while gazing at the expansive garden.
Closed Days: None
1-2-3 Benten, Minato-ku, Osaka-shi, Osaka Prefecture
Gender Access
Gender Separated
Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more—
Osaka Osaka City
Directly connected to Bentencho Station. Featuring a 'Garden View Bath' overlooking a Japanese garden of approximately 1,000 tsubo, and open-air baths with natural hot spring water for both men and women. The dry sauna offers automatic löyly every hour, seamlessly transitioning to the cold plunge bath and outdoor air bath. Experience the rhythm of hot and cold in the high-rise cityscape, with a sense of openness during the day and stunning night views. You can also stay at the adjacent Art Hotel Osaka Bay Tower.
TypeNatural Hot Spring
A hypotonic, mildly alkaline hot spring that gushes from 1,000 meters underground. It feels gentle on the skin and is less likely to cause dizziness even with prolonged soaking. In the open-air bath with natural hot spring water, the combination of wind and view creates a sensation of relaxation. Move between the garden view bath and alternate baths to gradually enhance warmth and relaxation.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity20people
A dry type with a TV. The automatic löyly at 00 and 30 minutes past each hour quickly raises the heat and humidity. The löyly lasts about a minute, generating a large amount of steam, allowing you to work up a good sweat.
Water QualityTap Water
Capacity4people
Located immediately after exiting the sauna room. The temperature is approximately 16°C. It is an ideal temperature for a cold plunge bath, allowing you to relax and cool your body. After the cold water bath, you can enjoy an outdoor air bath or an indoor air bath while gazing at the expansive garden.
Closed Days: None
1-2-3 Benten, Minato-ku, Osaka-shi, Osaka Prefecture
Gender Access
Gender Separated
Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.
Learn more