Illustrative onsen mood image
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Nagano · Shirahone Onsen

Shirahone Onsen Awanoyu

白骨温泉 泡の湯

The signature inn of Shirahone, famous for milky-white water. Its highlight is a large mixed-gender open-air bath — the water is so opaque that women find it comfortable. Day use at midday only.

Essentials

Price (adult)
¥1,000
Hours
day use 10:30–13:30(last entry 13:00)
Closed
Wed & Thu (open during summer holidays); occasional closures
Access
About 90 min by bus from Matsumoto to Shirahone Onsen
Water type
Bicarbonate spring
Tattoos
Ask ahead
Phone
0263-93-2101
Official site
www.awanoyu-ryokan.com ↗
Open in Google Maps
Google Maps ↗

Stay in this onsen town

Compare and book stays in Shirahone Onsen. Day bathing itself needs no booking.

Opens partner booking site (affiliate)

Why go

  • Large milky open-air bath (mixed)
  • Lukewarm ~38°C, made for long soaks
  • Carbonated bubbles cling to your skin

Before you go

  • No official tattoo policy is published — ask at reception.
  • There is a mixed-gender area. Check the description for bathing garments and women-only hours.
  • Ryokan day-use hours are limited and may be suspended in peak season — phone the same morning.
  • Last entry is 30–60 minutes before closing.

Features

Amenities

LockersRest area

✔ Verified operating: 2026-09 Go NAGANO 2025-05・shinshu.net(1,000円・10:30–13:30・水木休)

Prices and hours change. Check official sources before visiting.

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