Reservable private bath
Shimaya
A small family inn where the hinoki bath is yours alone: write your room number on the board when it's free and lock the door behind you. The water is the inn's own 100% natural spring.
from ~$122 / nightView stay →
Every guest room's unit bath runs on natural hot spring water here — a Taisho-era source found bubbling up through the riverbed sand — and the shared scenic open-air bath looks over the town.
Private open-air bath in your roomfrom ~$101 / night
The details
- Area
- Yudanaka Onsen, Nagano
- Private bath
- Private open-air bath in your room — Every guest room's unit bath runs on natural hot spring water here — a Taisho-era source found bubbling up through the riverbed sand — and the shared scenic open-air bath looks over the town.
- Price guide
- From ~$101 per night (checked on Klook, Nov 2026)
- Access
- In Yamanouchi Town, Nagano — the old spa strip below Shiga Kogen, beside Shibu Onsen
- Day-trip bathing
- Overnight stay only
And the bath? It's in your room. Not down a corridor, not on a sign-up sheet. Run it before dinner. Run it again at midnight. Wake up and get straight back in — nobody's timetable touches you here.
Private-bath and water facts were checked against the property's official site and Japanese booking pages in November 2026. Room plans change — confirm the private bath is included in the plan you book.
Yudanaka Onsenfrom ~$101 / nightCheck on Klook →
More in Yudanaka Onsen
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Reservable private bath
Yudanaka Ryokan Hakura
Until 7pm the inn's bath runs on reservations only — pick a 55-minute slot at check-in and the hinoki bath is entirely yours, filled with natural spring water poured straight from the source: no heating, no added water.
from ~$202 / nightView stay →
Reservable private bath
Yudanaka Seifuso
Three baths under one old roof: a big stone open-air bath, a yuya-style bath, and a reservable bath built from 400-year-old Kiso hinoki — the reservable one is the quiet way to take Seifuso's spring alone.
from ~$137 / nightView stay →