Kissho Kaiuntei Mujinzo
吉祥開運亭 無尽蔵
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
All 4 guest rooms have their own outdoor-style rock bath fed by the source spring; also confirmed by a Google review (客室は全室露天風呂付き).
Capabilities
Private bath available for day-use visitors or hotel guests to reserve
No separate reservable bath beyond the private in-room baths (already captured as ROOM_ONSEN).
Private onsen bath in guest rooms, for overnight guests only
Shared bathing area for all genders
Only 4 private in-room baths exist; Ikyu marks both 大浴場 and 貸切風呂 as absent, confirming there is no shared/communal bath where mixed bathing could occur.
Policies & Services
On-site or nearby parking available
No on-site lot at the inn itself; parking is off-site/arranged by advance phone call, guests directed via the affiliated Lalcool restaurant (consistent with Rakuten/Ikyu, which describe call-ahead guidance to parking; Ikyu's own checklist marks 駐車場 as なし meaning no free on-site lot, not that parking is unavailable).
About
Kissho Kaiuntei Mujinzo is a small ryokan on Yufuin's Yunotsubo street, with just four guest rooms split between the main building and two separate cottages, each done in its own style. Every room comes with its own open-air rock bath, fed straight from the spring and kept flowing rather than reused, and the water feels smooth and soft on the skin. There's no communal bath or rental bath elsewhere, so bathing here is a private, in-room affair from start to finish. The inn blends Japanese and Western touches, old and new, in a quietly modern Japanese style.
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Last updated July 29, 2026