Closed Wednesdays for day-use bathing only; overnight guests can still bathe as usual.
500 yen until 16:00, 600 yen after 16:00 (tax included); children 300 yen. The reservable private bath (kashikirifuro, 貸切風呂) is 1,500 yen per hour, free for overnight guests.
Uses natural hot spring water
Sauna room of any kind
Cold water plunge bath, typically used after sauna
Cold bath (mizuburo) is available only on the men's side, per the site.
Private bath available for day-use visitors or hotel guests to reserve
The FAQ page states an older price of 1,200 yen/hour for the same private bath; kept the onsen.html figure as likely more current (see price note).
Private onsen bath in guest rooms, for overnight guests only
Shared bathing area for all genders
Site's mention of a men's-only cold bath implies the standard gender-separated men's/women's bath layout; no mixed bathing (混浴) is mentioned anywhere.
Welcomes children and families
On-site or nearby parking available
The spring water at Yuzako Onsen is soft and mild, the kind of alkaline water locally called bijin no yu (美人の湯), the beauty bath, for how smooth it leaves your skin. It's pumped up from behind the property and warmed in winter. Bathing includes a sauna (from 16:00) and an hourly private bath, free for anyone staying the night, and a few rooms even have their own onsen bath built in. The spring itself is said to date back to the mid-Edo period and is used nowhere else, an old ryokan that's kept quietly welcoming travelers ever since.
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Last updated July 23, 2026