BihadanoYuRomanet

Roman-style circular bath illuminated by stained glass

Nagano Okaya City

Located in Okaya, Nagano Prefecture, Bihada no Yu Romanet is a hot spring facility notable for its exotic, Roman-style circular communal bath that evokes ancient Roman baths. In addition to 100% natural spring water from the source, rich in the skin-beautifying component metasilicic acid, the facility offers an authentic Finnish sauna with auto löyly and a deep, ice-cold cold plunge bath.

Hot Spring & Bath Information

Okaya Onsen (Bihada no Yu)

TypeNatural Hot Spring

A 100% source hot spring with no added water. Rich in metasilicic acid, this natural onsen leaves skin feeling moist, soft, and smooth after bathing.

Sauna

Finnish sauna

94°C

Sauna TypeDry Sauna

Stove Typeelectric

Capacity20people

Men'sWomen's

An authentic Finnish sauna equipped with a shishi-odoshi-style auto löyly every 20 minutes. Staff also hold aroma löyly sessions four times a day.

Cold Bath

Cold plunge bath

15°C

Capacity2people

Men'sWomen's

A relatively deep cold plunge bath with a depth of 80–110 cm. The water is set around 12–16°C and features strong circulation to cool the body thoroughly.

Business Hours

Monday
05:30〜09:00
10:00〜22:30
Tuesday
Closed Days
Wednesday
05:30〜09:00
10:00〜22:30
Thursday
05:30〜09:00
10:00〜22:30
Friday
05:30〜09:00
10:00〜22:30
Saturday
05:30〜09:00
10:00〜22:30
Sunday
05:30〜09:00
10:00〜22:30
Holiday
05:30〜09:00
10:00〜22:30

Closed Days: Tuesday

Address

4-1-24 Nagachi Gongencho, Okaya, Nagano 394-0081, Japan

View on Google Maps

Website

http://okaya-romanet.jp/
Onsen & Spa Facilities (Super Sento, Sauna, Spa)

Gender Access

Gender Separated

❓
Tattoo Policy
Unknown (Please Check)
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