Kobo no Yu Nagaoka-ten
弘法の湯 長岡店こうぼうのゆ ながおかてん
Private in-room baths and a shared open-air bath in Izu Nagaoka
Day Use
YesDay-use bathing runs in two windows with different rates: 6:00 to 16:00 at the standard price, and a cheaper evening window from 16:00 to 23:00 (weekday 1,400 yen, weekend and holiday 1,500 yen). Peak-season pricing may apply.
Bathing & Water
Open-air outdoor bath
Sauna room of any kind
Bathing Arrangements
Private onsen bath in guest rooms, for overnight guests only
Shared bathing area for all genders
Policies & Services
A restaurant or dining room open to visitors, not only meals for overnight guests
Towels to rent or borrow at the desk
One bath towel is included per guest; extra towels are 100 yen each.
On-site or nearby parking available
Highlights
Ganbanyoku
Steam SaunaAbout
Kobo no Yu Nagaoka-ten is a hot-spring inn in Izu Nagaoka with a shared open-air bath alongside private baths built into the guest rooms themselves, sized anywhere from a small tub-like soak to a cypress bath big enough for two, depending on the room. There's also a mist sauna and a stone-bed sauna, ganbanyoku (岩盤浴), plus a restaurant on site for meals.
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Last updated September 29, 2026