ShinshuHirayaOnsenHimawarinoYu

Expansive garden open-air baths and two types of saunas

Nagano Hiraya Village

Shinshu Hiraya Onsen Himawari no Yu, attached to the roadside station in Hiraya Village, Nagano Prefecture, is a popular facility where you can enjoy a sodium bicarbonate hot spring known for its beautifying effects. It features a dry sauna using a Bona sauna (stove with integrated housing) and a properly cold plunge bath, and the vast open-air area surrounded by nature offers an exceptional outdoor cooling and relaxation experience.

Hot Spring & Bath Information

Shinshu Hiraya Onsen

TypeNatural Hot Spring

A sodium bicarbonate spring (bicarbonate spring). Known as a beauty bath for its skin-smoothing properties.

Sauna

Sauna (Bona sauna)

82°C

Sauna TypeDry Sauna

Stove Typeelectric

Capacity10people

Men'sWomen's

A calm, dim, TV-free space featuring a Bona sauna with an integrated stove. You can expect a thorough sweat that goes beyond what the temperature alone might suggest.

Cold Bath

Cold plunge bath

13°C

Capacity5people

Men'sWomen's

A cold plunge bath whose temperature varies by season. It is comfortably cold in summer, while in winter it can feel around 10–12°C, providing a very brisk cooldown after the sauna.

Business Hours

Monday
10:00〜20:00
Tuesday
10:00〜20:00
Wednesday
Closed Days
Thursday
10:00〜20:00
Friday
10:00〜20:00
Saturday
10:00〜20:00
Sunday
10:00〜20:00
Holiday
10:00〜20:00

Closed Days: Wednesday

Address

252 Hiraya-mura, Shimoina-gun, Nagano Prefecture 395-0601, Japan

View on Google Maps

Website

https://hiraya-himawarinoyu.com/
Onsen & Spa Facilities (Super Sento, Sauna, Spa)

Gender Access

Gender Separated

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Tattoo Policy
No Tattoos
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