Aoneonsen Okazaki Ryokan
青根温泉 岡崎旅館あおねおんせん おかざきりょかん
Registered cultural property ryokan with kakenagashi alkaline baths in Aone Onsen
Day Use
Yes500 yen for bathing; 1,000 yen with access to a rest area.
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Bathing Arrangements
A private bath you can reserve for yourself or your group
Shared bathing area for all genders
Policies & Services
Welcomes children and families
A restaurant or dining room open to visitors, not only meals for overnight guests
Towels to rent or borrow at the desk
On-site or nearby parking available
About
Aone Onsen (青根温泉) Okazaki Ryokan is a registered tangible cultural property (torokuyukei bunkazai, 登録有形文化財) run by a single elderly innkeeper. The indoor baths are small and intimate, fed by a free-flowing kakenagashi spring with clear, mildly alkaline water that feels smooth on the skin. Two private baths are available at no extra charge. A fire in 2018 damaged the annex and meals were discontinued, so overnight stays are now room-only (sudomari, 素泊まり). The building itself has a quietly elegant, old-fashioned character that is part of the appeal.
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Last updated September 19, 2026