ShinshuMatsukawaOnsenSeiryuen

Outdoor herb sauna overlooking the Southern Alps

Nagano Matsukawa Town

Shinshu Matsukawa Onsen Seiryuen in Matsukawa, Nagano Prefecture is a hot spring facility on a spacious site that features nine different baths. It offers an outdoor panoramic herb sauna with views of the Southern Alps, an outdoor cold plunge bath that can become ice-cold in winter (sometimes dropping into the single digits, below 10℃), and spectacular outdoor resting areas for excellent refreshment.

Hot Spring & Bath Information

Shinshu Matsukawa Onsen

TypeNatural Hot Spring

An alkaline simple hot spring that wells up from 1,500m underground. The colorless, transparent water is gentle on the skin and is prized for its slightly viscous, silky texture.

Sauna

Outdoor panoramic herb sauna

85°C

Sauna TypeDry Sauna

Stove Typefar_infrared

Capacity14people

Men'sWomen's

A far-infrared sauna with a humidifying function located in the open-air area. The room is scented with herb aromas and offers spectacular views of the Southern Alps through large windows.

Cold Bath

Cold plunge bath

10°C

Capacity2people

Men'sWomen's

The cold plunge bath is located just outside the sauna. Because it is exposed to outdoor temperatures, it is milder in summer but can become extremely cold in winter, sometimes dropping into the single digits (below 10℃).

Business Hours

Monday
10:00〜20:00
Tuesday
10:00〜20:00
Wednesday
10:00〜20:00
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: None

Address

399-3304 Oshima 2784-1, Matsukawa-machi, Shimoina-gun, Nagano Prefecture, Japan

View on Google Maps

Website

https://www.seiryuen.jp/
Hotel & Ryokan

Gender Access

Gender Separated

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Tattoo Policy
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