Day Use
YesNo regular closing days (temporary closures for facility inspections may occur). Operating period and hours are subject to change.
Weekday adult ¥1,300, weekend ¥1,350, special days ¥1,550. Children (3-12) weekday ¥750, weekend ¥800, special days ¥1,150. Towel rental available (paid). 10-visit pass ¥10,000.
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Dry heat sauna room
Cold water plunge bath, typically used after sauna
Capabilities
Private bath available for day-use visitors or hotel guests to reserve
Shared bathing area for all genders
Policies & Services
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
Forest
MountainsAbout
A day-use bath in a wooded part of Karuizawa, run by the Prince Hotels resort nearby. The outdoor garden baths flow on spring water straight from the source, and the covered rotenburo alongside them does too. The large indoor hall has wide windows onto the surrounding trees and hills. There is also a Finnish sauna and a cold plunge. It tends to be quiet and uncrowded, especially on weekdays.
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Last updated June 25, 2026