Fully OK
Mitsui Garden Hotel Osaka Premier
三井ガーデンホテル大阪プレミアMain bath: OKOpen-air bath: OK
Official site · checked 2 Nov 2026 · see the wording Rooms from¥10,548
Details 219 places checked · 12 say yes (1 without conditions) · 181 unconfirmed · last check 12 Nov 2026
Osaka's bathing is city hotels plus large day-spa complexes, a few of which also rent rooms; the genuine hot springs sit at the edge of the prefecture, at Minoh and Inunakiyama. Refusals here are phrased bluntly and often cover entry to the whole building rather than the bath alone, and the one unconditional yes we found is a chain business hotel whose bath is artificial carbonated water, not a hot spring.