Shiobara Motoyu Onsen Ōidekan
塩原元湯温泉 大出館しおばらもとゆおんせん おおいでかん
Day Use
YesDay-use reception runs 10:00 to 14:00, and you can stay in the baths until 16:00. The mixed-bathing Sumi-no-yu turns women-only from 14:00 to 15:00. The baths are occasionally closed without notice for operational reasons.
Adult day-use entry is 1,000 yen, child (age 3 to 15) 500 yen, with no meal included. All eight baths, including the free-use private Fuji-no-yu, are open to day visitors. A separate reservation-only day-rest plan (2 or more guests, 900 yen per adult plus a flat 5,000-yen room fee, extendable at 1,100 yen an hour) lets you bring your own food.
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Capabilities
Private bath available for day-use visitors or hotel guests to reserve
Fuji-no-yu is a free-use private/family bath, no reservation or fee required (occupy sign flipped to 'in use'); FAQ confirms it locks from inside and limits use to ~30 min per group.
Private onsen bath in guest rooms, for overnight guests only
Guest room amenity list has no private bath; all bathing takes place at the shared eight baths.
Shared bathing area for all genders
Policies & Services
Welcomes children and families
Child and infant pricing tiers are published for both stays and day-use, implying children are welcome; no explicit age-restriction statement found.
Restaurant or dining open to visitors (not just hotel meal plans)
Meals are served in-room to overnight guests only; the day-use bathing plans explicitly include no meal (食事なし), so there is no restaurant open to day visitors.
Shower, wash stations, soap and shampoo provided
Body soap is provided at the wash stations but shampoo/conditioner is not (bring your own); a 2026 review adds there is no shower, only plain hot/fresh water taps (not onsen water) for rinsing.
Towels available to rent or borrow
Bath-towel rental exists for overnight guests but costs extra, so the site encourages bringing your own; separately, day-use bathers are told outright to bring their own towel, bath towel, and hair-wash products (site/charge.md: タオル、バスタオル、洗髪用品はご持参ください).
On-site or nearby parking available
Views
River
Forest
MountainsHighlights
Drinking Spring
Lukewarm BathPrograms
About
The headline here is the "Sumi no Yu", a bath coloured jet black by iron-rich sulfur water, one of the few genuinely black springs in Japan. Depending on the weather and season the same water can shift through milky white, grey, and pale green, which regulars call the "five-colour bath". Other pools on the property run the usual sulfurous cloudy white. The whole place has a deep-country feel, set in a narrow valley on the original Shiobara spring site.
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Last updated July 22, 2026