Kusatsu Onsen Yuyado Iwafuji
Shared bathing area for all genders
All bathing takes place in private, in-room baths used only by each room's own party; no shared/mixed bath is offered or mentioned.
On-site or nearby parking available
Yuyado Iwafuji is a small five-room ryokan in Kusatsu with no shared bathing area at all: every room has its own open-air barrel bath, filled with the town's Yugawa-no-yu (湯川の湯) spring water. It's a quiet, couples-oriented stay built around soaking in a private bath rather than a communal one.
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Last updated July 29, 2026