"Poka Poka Onsen Shinmoriyama no Yu" in Nagoya, Aichi Prefecture, is a sento that preserves a Showa-era atmosphere while offering well-equipped sauna facilities. The sauna is set to extremely high temperatures, with a powerful auto steam löyly triggered every 3 minutes. In addition to the underground water cold plunge bath in the indoor bathing area, the outdoor area also has a free-flowing underground water cold plunge bath, so you can enjoy alternating between cold baths. Chairs are set in the outdoor air-bathing space, allowing you to feel the pleasant breeze and reach a state of perfect relaxation.