Nishiyama Onsen Yamamura Koen Seizanso
西山温泉 山村公園 せいざん荘
Town-run bathhouse in Nishiyama Onsen with a restaurant and rest room
Day Use
YesWhen a Monday is a public holiday, the closure moves to the following day. When there is an evening banquet, closing is extended to 9:00 pm. The open-air bath is reported closed in winter.
Bath only: adults 400 yen, children 300 yen, infants free. All-day ticket including rest room use: adults 600 yen, children 400 yen.
Bathing & Water
Open-air outdoor bath
The open-air bath is reported closed in winter.
Enclosed indoor bathing area
Bathing Arrangements
Shared bathing area for all genders
Policies & Services
A restaurant or dining room open to visitors, not only meals for overnight guests
Relaxation space for after bathing
On-site or nearby parking available
About
Seizanso is a town-run bathhouse in Yanaizu, in the Nishiyama Onsen area, open for day use (higaeri nyuyoku, 日帰り入浴). It has a spacious indoor bath and an open-air bath (rotenburo), though visitors report the open-air bath is closed in winter. The restaurant serves Yanaizu's local Hakase soba (博士そば), and there is a rest room for a longer stay. The car park holds about 50 cars.
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Last updated October 11, 2026