Keisenso
旅館 螢川荘けいせんそう
Flood-rebuilt ryokan on a spring linked to Sugawara no Michizane
Day Use
YesAdults ¥1,000, children (12 and under) ¥600. Private bath rental 60 min ¥3,000 (up to 2 adults + 1 child)
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
Cold water plunge bath, typically used after sauna
Bathing Arrangements
A private bath you can reserve for yourself or your group
Shared bathing area for all genders
Policies & Services
A restaurant or dining room open to visitors, not only meals for overnight guests
Shower, wash stations, soap and shampoo provided
Towels to rent or borrow at the desk
On-site or nearby parking available
Programs
About
Keisenso sits on Kawazoko Onsen (川底温泉), a spring in Kokonoe, Oita said to have been discovered around 1,100 years ago when the court scholar Sugawara no Michizane (菅原道真) passed through on his way into exile. The original facility was destroyed by flood damage and rebuilt entirely before reopening in 2024, with a rotenburo and sauna added as part of the new build. Indoor baths and a private rental bath (kashikiri, 貸切り湯) round out the bathing options. The inn is also a stop on the Kyushu 88 Hot Springs pilgrimage (九州八十八湯巡り, Kyushu Hachijuhachi-yu Meguri).
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Last updated September 19, 2026