Manten No Yu
天然温泉 満天の湯てんねんおんせん まんてんのゆ
A big bathhouse with its own onsen well by Kamihoshikawa Station
Day Use
YesLast entry is at 12:30 AM, before the 1:00 AM close. The bathhouse also closes one day a month, the 3rd Tuesday, for maintenance; check the official site or in-house notices for the exact date.
Weekday admission is ¥1,100 for the general public (¥950 for members); weekends and holidays it's ¥1,200 (¥1,050 for members). Elementary-school kids pay ¥400, preschoolers ¥250.
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
Cold water plunge bath, typically used after sauna
Bathing Arrangements
Shared bathing area for all genders
Policies & Services
Allows entry with visible tattoos
A restaurant or dining room open to visitors, not only meals for overnight guests
Shower, wash stations, soap and shampoo provided
Towels to rent or borrow at the desk
Towels are also sold separately (face ¥200 / nylon ¥250 / bath ¥600); rental is the face+bath set for ¥450.
Relaxation space for after bathing
One 2026 reviewer notes there is no dedicated lounge/rest area; not stated either way on the official site.
On-site or nearby parking available
Free for the first 3 hours with a validation slip from the front desk; height limit 2.1m.
Highlights
Jet Bath
Electric Bath
Steam Sauna
Lukewarm BathPrograms
About
A big day-use bathhouse right outside Kamihoshikawa Station, using onsen water drawn from the building's own well. Inside there are indoor tubs, jet baths, and three different electric baths; outside there's an open-air bath along with a couple of cooler tubs that people tend to settle into for a long soak. There's also a steam sauna and a tower sauna. The place is done up like an old Japanese village inside, and there's a restaurant downstairs for after your bath.
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Last updated September 19, 2026