815. Sakaeya Ryokan, Shibu Onsen, Nagano ★ I visited for a day-use bath for ¥1 500. Day-use hours are listed as 09:00 to 12:00 and 14:00 to 19:00. A modern place, nicely renovated. Towels and a water cooler are available in the changing room. 1. Open-air bath. There is no view, but it feels cozy. The water is clear, with fine white lime sediment. Temperature: 43.5. 2. Indoor bath area. It is tolerable to breathe inside. 2.1. Deep bath. The water is clear, temperature 39. 2.2. Bath with clear water, temperature 42. A pleasant place in good condition, worth keeping in mind. 16.01.2026