碧水荘へきすいそう
River-view rotenburo at a longtime Sakiha Onsen ryokan
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
A private bath you can reserve for yourself or your group
Shared bathing area for all genders
露天風呂は貸切専用(家族風呂形式)で、開放型の混浴ではない
A restaurant or dining room open to visitors, not only meals for overnight guests
Hekisuiso sits on the bank of the Agano River in Sakiha Onsen (咲花温泉), one of Niigata's small river-valley hot spring towns. The indoor bath is split into two temperature zones, one hotter, one milder. The private open-air bath (rotenburo) looks straight out over the water and is reserved by the night's plan rather than walk-in. All baths run on free-flowing spring water (kakenagashi) from the Sakiha source, a sulfur spring with a soft green tint and only a faint smell. The building is old, which shows, but guests tend to find the worn-in atmosphere part of the appeal.
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Last updated September 19, 2026