Bathing & Water
Uses natural hot spring water
Piped from Kusatsu's Bandai-ko (万代鉱) source, ~94-95C at the source per the site.
Open-air outdoor bath
Enclosed indoor bathing area
Capabilities
Private bath available for day-use visitors or hotel guests to reserve
Whole-building exclusive-use rental (一棟貸切型); a reviewer confirms exclusive/private bath use ('貸切 源泉かけ流し温泉万代鉱源泉...の露天風呂をプライベート空間で堪能できます').
Private onsen bath in guest rooms, for overnight guests only
The bath is explicitly in a separate annex building, not attached to the guest rooms.
Policies & Services
Welcomes children and families
Inferred from a guest review describing a stay with children; no explicit written kids policy on the official site.
Restaurant or dining open to visitors (not just hotel meal plans)
Guests self-cater in the villa's kitchen or eat at nearby restaurants; no on-site restaurant for guests. The cuisine.md page carries a stray header 'RESTAURANT 湯音' that conflicts with this — likely a template leftover, kept NO per the body copy.
On-site or nearby parking available
Views
ForestHighlights
Lukewarm BathAbout
Yunone no Mori is a whole-building rental just outside Kusatsu's hot spring town, booked out to one group at a time rather than run room by room. The bath sits in its own annex across from the house, with an indoor room for the cold months and an open-air terrace bath for warmer ones, both fed by Kusatsu's Bandai-ko (万代鉱) spring. The water is salty and kept on the lukewarm side, good for a long soak rather than a quick one. Guests get the run of the place for the night: a kitchen for cooking their own meals, a garden for barbecues, and the forest around it to themselves.
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Last updated July 30, 2026