Yumotoya Onsen Ryokan
ゆもとやゆもとや
Day Use
YesBathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Dry heat sauna room
Capabilities
Private bath available for day-use visitors or hotel guests to reserve
Reservable private open-air bath "Yuraku", 45 min per booking, 2,200 yen.
Private onsen bath in guest rooms, for overnight guests only
Applies to some rooms in the detached "Kasyoan" wing (e.g. Tsubaki, Ayame have an onsen open-air bath); Sakura room's bath is explicitly not onsen water.
Shared bathing area for all genders
The two large baths are gender-separated and swap men's/women's assignment between morning and afternoon/night; not mixed bathing.
Policies & Services
Allows entry with visible tattoos
Welcomes children and families
Site also states infants aged 3-5 are charged a facility-use fee, under 2 free.
Shower, wash stations, soap and shampoo provided
Relaxation space for after bathing
On-site or nearby parking available
About
Yumotoya is a ryokan in Iwamuro Onsen (岩室温泉), a hot spring town in Niigata. It runs two large baths, Karinoyu (雁の湯) with an open-air pool built around big rocks and Yumedono (夢殿) with a log-lined outdoor tub, each paired with an indoor bath and a sauna; men's and women's sides swap between morning and afternoon, so a two-night stay lets you try both. There's also a reservable private open-air bath, and a few rooms in the detached Kasyoan (華翔庵) wing come with their own onsen bath. The water has a faint sulfur smell and is known locally as good for the skin. The inn has been open since 1880, and the bath named Karinoyu recalls a local legend of a wounded goose that healed itself bathing in the spring.
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Last updated August 5, 2026