小野川温泉 やな川屋旅館おのがわおんせん やながわやりょかん
Three separate baths, including a rooftop one with mountain views
The rooftop open-air bath can close depending on the weather.
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Shared bathing area for all genders
Shower, wash stations, soap and shampoo provided
Washing stations are at the first-floor indoor baths, not at the rooftop open-air bath.
On-site or nearby parking available
Yanagawaya is a small ryokan in Onogawa Onsen, a hot-spring town on the edge of Yonezawa. It keeps three separate baths: a newer indoor bath in a kura-style (蔵) storehouse building, a smaller bath in the annex, Hotei-so (ほてい荘), and a rooftop open-air bath on the fifth floor looking out toward Mount Nishi-azuma, with stars at night and snow in winter. The water is a sulfur-bearing sodium-calcium chloride spring. The town itself is known for fireflies and an old legend tying it to the poet Ono no Komachi (小野小町).
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Last updated September 26, 2026