Issuiso
咲花温泉一水荘
Small mountainside ryokan in Sakihana Onsen with a private open-air bath
Day Use
YesDay-use reception opens at 11:00, and the soak is about 60 minutes from check-in at the desk. The closing time for reception changes daily. The main bath is deep-cleaned mainly on Thursdays (rarely Wednesday or Friday). Bath-only visits may be declined or stopped depending on guest numbers, so call on the day. The day-trip kaiseki runs 10:30 to 15:00 (from 11:00 on Sundays).
Adults (junior high and up) 700 yen, elementary school 500 yen, ages 3 to 5 400 yen.
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Bathing Arrangements
A private bath you can reserve for yourself or your group
Day visitors can book the private bath, not only overnight guests
Day visitors get the private open-air bath only with the day-trip meal plan, on weekdays.
Private onsen bath in guest rooms, for overnight guests only
Only some rooms have their own half open-air bath.
Shared bathing area for all genders
Policies & Services
Welcomes children and families
Children not yet out of diapers cannot use the tubs; a baby bath is lent for the wash area.
A restaurant or dining room open to visitors, not only meals for overnight guests
Shower, wash stations, soap and shampoo provided
On-site or nearby parking available
About
Issuiso is a small ryokan of 13 rooms in Sakihana Onsen, and the only inn there on the mountain side, away from the river. The main bath (daiyokujo) is split into a cooler tub and a hotter one, with separate men's and women's sides. There is also a private open-air bath (kashikiri rotenburo) built by local craftsmen from local materials. All the bath water comes from Sakihana's own source. A few rooms have their own half open-air bath, added in a December 2023 renovation. Day-trip bathing (higaeri nyuyoku) is possible, but call on the day first, and kaiseki meals can be booked for day visitors.
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Last updated October 13, 2026