Ubayu Onsen Masugataya

Yamagata · Ubayu Onsen · Car only Secluded Spring

The season ends about 5 Nov 2026; closed for winter after that (snow). ubayuonsen.com (opens in a new tab)

Remote sulfur-spring inn below red and grey rock cliffs with one mixed and one women-only outdoor bath fed by a 51C source.

• Outdoor bath: yes
• Private bath: no
• Mixed bath: yes
• Hours

  9:30-15:30 (outdoor baths only). Closed Irregular; closed early Nov to late Apr (snow)

• Getting there

  Inn pickup from Toge stn is for overnight guests only; by car 14 km mountain road from Itaya, then about 250 m walk from the car park