Aquare Nagaoka
アクアーレ長岡
Nagaoka onsen, pool and gym complex with a small inn
Day Use
YesLast entry to the onsen is 21:00. The pool and gym close at 21:00.
Onsen course: 880 yen for adults (junior high and up), 450 yen for ages 5 to elementary school, free under 5. The full course with pool, gym and Finnish sauna is 2,000 yen. Towel rental 220 yen. Discounts with a disability certificate.
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
The bathing-suit-only pool zone is mixed; the main onsen baths are separate for men and women.
Policies & Services
Allows entry with visible tattoos
Welcomes children and families
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
About
Aquare Nagaoka is a leisure complex that combines onsen baths with a pool, a gym and a small inn. The onsen side has a large indoor bath, a lying-down bath, an open-air bath, a sauna and a cold plunge, with the men's and women's sides kept separate. The pool zone is swimsuit-only and mixed, and includes a Finnish sauna and a lukewarm bath. Day visitors (higaeri nyuyoku, 日帰り入浴) can use just the onsen or take the full course with the pool and gym. There is a restaurant on site, and towels can be rented. Tattoos, including stickers, are not allowed. It feels more like a family wellness center than a quiet hot-spring inn.
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Last updated October 13, 2026