"Arimatsu Onsen Kita no Yu" in Obu City, Aichi Prefecture is a super sento with excellent sauna and stone sauna facilities. The men's sauna is a far-infrared type with a spacious interior. The women's sauna is also generously sized. The cold plunge bath is set quite cold, allowing you to cool your whole body thoroughly. In the women's bath, cooling bath additives are regularly added. The outdoor bath area has many benches and chairs, where you can enjoy a soothing breeze and reach totonou. Its biggest highlight is the stone sauna inside the bath area, which is attached to the open-air bath section. You can use it completely naked and lie on the heated stone floor while the water flows over it and work up a good sweat.