Ponshukan — Echigo-Yuzawa Station ぽんしゅ館 越後湯沢驛店
In the station's bath you soak in sake: 950 yen, with no need to book.
A commercial facility devoted to sake and Niigata products, inside JR Echigo-Yuzawa Station, with token tastings, a shop and a themed hot-spring bath.
Niigata
Echigo-Yuzawa