Private open-air bath in your room
Aratashi Minakami
Every one of the 42 rooms has its own open-air bath filled with natural onsen — a soft alkaline spring, in a quiet concrete building above the gorge.
from ~$253 / nightView stay →
Three reservable baths — two all-hinoki baths and a garden open-air bath with a rock sauna — plus rooms with open-air and semi-open-air baths, one type explicitly free-flowing.
In-room bath + reservable private bathfrom ~$127 / night
The details
- Area
- Minakami Onsen, Gunma
- Private bath
- In-room bath + reservable private bath — Three reservable baths — two all-hinoki baths and a garden open-air bath with a rock sauna — plus rooms with open-air and semi-open-air baths, one type explicitly free-flowing.
- Spring water
- sodium-calcium sulfate-chloride spring
- Private-bath hire
- ¥3,000 / 60 min · ¥8,800 / 90 min (garden bath)
- Price guide
- From ~$127 per night (checked on Klook, Nov 2026)
- Access
- In Minakami Town, Gunma, along the Tone River gorge below Mt Tanigawa
- Day-trip bathing
- Overnight stay only
You get both kinds of private here — a bath of your own, and reservable ones for the long soak. Most guests use both before checkout. You probably will too.
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.
Minakami Onsenfrom ~$127 / nightCheck on Klook →
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Reservable private bath
KKR Minakami Suimeisou
A lockable family bath is free for guests, about 40 minutes at a time, in a riverside lodge run by a mutual-aid association (open to general guests too).
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In-room bath + reservable private bath
Ryuudo
A hot-spring theme park of a ryokan: 18 open-air baths scattered over the grounds, every one used privately, free, around the clock — plus rooms with their own open-air baths.
from ~$204 / nightView stay →