Akayu Onsen Yamaguchikan

Niigata · Yuzawa

Remote mountain-hut onsen where all baths turn mixed-gender at night; day bathing from 500 yen.

Price

¥500

Baths

• ✓Outdoor: yes
• ✓Mixed: yes

Hours

Open 24 hours; all baths mixed at night. Closed in winter (roughly late April to early November)