NaturalHotSpringMamejimaYuttarien

A fully equipped facility with 13 types of baths and three kinds of saunas

Nagano Nagano City

Located in Mamejima, Nagano City, Natural Hot Spring Mamejima Yuttarien is a day-use hot spring facility on a spacious site offering 13 types of baths and three saunas. It features a high-temperature dry sauna, a low-temperature sauna that uses hot spring steam, a salt sauna, and a fully plumbed cold plunge bath kept around 15°C, providing a highly satisfying environment for sauna enthusiasts.

Hot Spring & Bath Information

Mamejima Onsen

TypeNatural Hot Spring

A sodium-calcium chloride spring. The water is colorless and clear with a slight salty taste and a faint sulfur odor, and it is a warming, good-heating spring.

Sauna

High-temperature Sauna

90°C

Sauna TypeDry Sauna

Stove Typefar_infrared

Capacity20people

Men'sWomen's

A far-infrared dry sauna that can accommodate more than 20 people. The lower bench is about 85°C while the upper bench reaches nearly 100°C, allowing you to sweat thoroughly at your preferred heat level.

Low-temperature Sauna / Salt Sauna

65°C

Sauna TypeMist Sauna

Capacity5people

Men'sWomen's

For men, a maifan-stone low-temperature sauna using hot spring steam at about 60–70°C; for women, a salt sauna at about 68°C.

Cold Bath

Cold plunge bath

15°C

Capacity5people

Men'sWomen's

A flow-through cold plunge bath with water temperatures between 14.5 and 16.9°C. Charcoal bags are placed in the water for hygienic purposes, and the bath is sufficiently wide and deep for a thorough cool-down.

Business Hours

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

Closed Days: None

Address

1641 Mamejima, Nagano City, Nagano 381-0022, Japan

Onsen & Spa Facilities (Super Sento, Sauna, Spa)

Gender Access

Gender Separated

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Tattoo Policy
No Tattoos
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