滑川温泉 福島屋なめかわおんせん ふくしまや
Uses natural hot spring water
Open-air outdoor bath
Two open-air baths: an all-natural rock bath (岩風呂) overlooking the Maekawa river, and a cypress-wood bath (桧風呂).
Enclosed indoor bathing area
Private bath available for day-use visitors or hotel guests to reserve
Private booking of the cypress (hinoki) bath is limited to overnight guests only; not available for day-trip visitors.
Private onsen bath in guest rooms, for overnight guests only
Shared bathing area for all genders
Restaurant or dining open to visitors (not just hotel meal plans)
Meals are served in-room for lodging guests (breakfast and dinner both), not in a public dining room; corroborated by multiple Google reviews describing in-room meal service.
Towels available to rent or borrow
A 2026 reviewer notes the inn's own bath towels (or a bathing garment) may be worn in the mixed baths; exact rental terms/price could not be confirmed (the official reservation.html page, which appears to list towel rental fees, was crawled with corrupted encoding in this run).
On-site or nearby parking available
A proper old-school mountain inn that has kept the same spring for over 200 years across 14 generations. The baths, a mixed open-air rock pool (iwa-buro, 岩風呂), a mixed cypress-wood outdoor bath (hinoki-buro, 檜風呂), and a women-only indoor bath, all flow unheated and undiluted from the source. The water is a milky-white bicarbonate-sulfate spring, and the rock pool with the stream below it is the one to aim for.
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Last updated July 22, 2026