Day Use
Yes毎月の定休日あり（6月は毎週火曜日） / 月ごとに公式サイトにてお知らせ掲載
Adults: 1,000 yen daytime (10:00-16:00) / 800 yen evening (16:00-22:00). Children (3+): 550 yen daytime / 500 yen evening. As of May 2026 opening hour changed to 12:00.
Bathing & Water
Open-air outdoor bath
Enclosed indoor bathing area
Dry heat sauna room
Cold water plunge bath, typically used after sauna
Uses natural hot spring water
Capabilities
Private bath available for day-use visitors or hotel guests to reserve
Shared bathing area for all genders
Policies & Services
Restaurant or dining open to visitors (not just hotel meal plans)
Shower, wash stations, soap and shampoo provided
Towels available to rent or borrow
Relaxation space for after bathing
On-site or nearby parking available
Views
MountainsHighlights
Utaseyu
Jet BathAbout
Hisui-no-Yu sits in Itoigawa, Niigata, and draws its water from a fault running the length of Japan. The spring is salty with a faint petroleum-like scent that surprises first-timers but is quite characteristic of this type of water. The outdoor bath looks out toward the Northern Alps, the indoor bath runs hot, and there are also a jet bath, a reclining bath, a waterfall shower, and a sauna circuit with a cold plunge. Private baths are available for those who want a quieter soak. The crowd is almost entirely local, which gives the whole place a relaxed, neighborhood feel.
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