FukuokaDayTripMamushinoYu

Open-air baths and diverse pools in Fukuyoshi, Itoshima, with a high-temperature sauna and a salt sauna

Fukuoka Itoshima City

A day-use hot spring facility in the Nijo area of Itoshima. The site features a folklore theme around the sacred water associated with Kobo Daishi, and offers garden-like open-air baths as well as event-style tubs such as a wine bath and a tea bath. It has a high-temperature sauna, a salt sauna, and a cold plunge bath, so you can enjoy a circuit of baths together with totonou. The on-site eatery Jubo serves set meals and course-style dishes highlighting seafood from the Genkai Sea and local vegetables, making this a convenient stop on a drive.

Hot Spring & Bath Information

Mamushi no Yu (cold mineral spring suitable for drinking and bathing)

TypeNatural Hot Spring

Drinking spring water available

A spring with local traditional lore. You can enjoy a bath circuit across a variety of indoor and outdoor tubs, including waterfall-style utase-yu jets.

Sauna

High-temperature sauna

90°C

Sauna TypeDry Sauna

Stove TypeConvection Stove (Sauna Stone)

Capacity10people

Men'sWomen's

A stone-style dry sauna with TV. It is suitable for working up a sweat after warming in the outdoor or indoor baths, and has direct access to the outdoor cool-down area.

Salt sauna

70°C

Sauna TypeSalt Sauna

Capacity4people

Men'sWomen's

A slightly lower-temperature salt sauna where you can apply salt before bathing. It offers a different sweating experience from the dry sauna while aiming for skin exfoliation and thermal benefits.

Cold Bath

Cold Bath

18°C

Water QualityNatural Water (Groundwater, Spring, etc.)

Capacity6people

Men'sWomen's

The cold plunge bath provides cooling suited to post-sauna cooldown and is characterized by a gentle, soft feel on the skin.

Business Hours

Monday
10:00〜21:30
Tuesday
10:00〜21:30
Wednesday
10:00〜21:30
Thursday
10:00〜21:30
Friday
10:00〜21:30
Saturday
10:00〜21:30
Sunday
10:00〜21:30
Holiday
10:00〜21:30

Closed Days: None

Address

2380-1 Yoshii, Nijo, Itoshima, Fukuoka 819-1641, Japan

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

Gender Access

Gender Separated

🚫
Tattoo Policy
No Tattoos
Premium Magazine

Japan's Must-Visit Finest Onsen & Sauna Facilities

Curated by an expert who visits onsen and sauna facilities every day and has explored 300+ locations — only facilities confirmed to be truly exceptional are featured.

Learn more