They have two large bathhouses, one a sulfur spring without hydrogen sulfide, the other a Helston mineral bath. At 20:00 they switch the bathhouses for men and for women, so you can enjoy both on the same day. The large open-air baths are open alternately for men and for women. They also have an open-air bath which can be reserved for private bathing.
A hidden hot spring inn located in front of the famous waterfall 'Awamata no Taki' in Yoro Valley, situated in the south-central part of Chiba Prefecture. Otaki Town, which includes Yoro Valley, has long been a key trading hub where mountain and sea treasures intersect. Though nestled in the mountains, you can enjoy carefully selected delicacies from the mountains and seas of Minami Boso. The hot spring, named 'Fossil Bath' because sea urchin fossils from about 120 million years ago were discovered during excavation, is known for its beneficial effects on skin conditions, burns, and wounds, and is also called 'Beauty Bath.' Relax and unwind surrounded by the grand nature of Oku Boso.
A popular place with 8 rooms made by carpenters specialising in temples and shrines, it was selected for the ”100 Japanese hotels and inns selected by professionals” and also won the prefectural governor's award at Chiba chef's tournament. At an additional charge, you can enjoy the gorgeous local fish platter.
A great location with the Pacific Ocean immediately in front. Guest rooms are comfy Japanese style rooms overlooking the oceans. Reputed for its meals full of bounties from the sea, such as local fish and abalone, and the onsen baths at the water's edge.