A hidden hot spring inn located in a secluded area of a nature-rich national park, popular for its free private open-air bath with natural hot spring water directly sourced. A nostalgic yet modern 'Itamuro Villa' located in Nasu-Itamuro Onsen, a famous hot spring area known for its healing properties. Situated on the outskirts of the town, surrounded by lush greenery and a river flowing beneath the property. A unique inn enveloped in nature and serenity, offering a tranquil environment like no other. The onsen at our inn features natural hot spring water directly sourced from our own spring. We offer two distinctively themed free private open-air baths and an indoor bath accessible 24 hours a day. The open-air baths allow you to relax while being surrounded by lush natural greenery.