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Ibaraki Naka City
Ofuro Café Rinne no Yu is a comprehensive bathing facility located in Naka City, Ibaraki Prefecture. It offers two types of saunas: a cave sauna and a dry sauna, both delivering heat with the option of self-löyly and auto-löyly to vary the experience. The cold plunge bath uses well water drawn from underground to cool the body, while the sodium sulfate spring sourced from within Ibaraki Prefecture warms you from the core. You can also enjoy a medicinal herb bath using herbs grown in the botanical garden. With over 6,000 books, free coffee, massage chairs, and the Rinne Cafeteria, it is designed for long stays. Located within THE BOTANICAL RESORT Rinonai, it offers an integrated experience with the botanical garden.
TypeNatural Hot Spring
A sodium sulfate spring transported from a source within Ibaraki Prefecture. Colorless and transparent, it is gentle on the skin and warms the body gradually from the core. The texture of the water is soft, and the warmth lasts after bathing. It is expected to be effective for cold sensitivity and fatigue recovery, making it ideal as a finishing touch after heating up in the sauna.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity12people
A high-temperature dry sauna equipped with an auto-löyly function. The dry heat envelops the body, allowing for efficient sweating in a short time. The auto-löyly timing significantly raises the perceived temperature, allowing you to experience an intense heat wave.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity8people
A medium-temperature, high-humidity sauna inspired by a cave. You can control the humidity at will with self-löyly, making it less suffocating. The heat is gentle and gradually penetrates to the core of the body. The stone-built atmosphere creates an extraordinary feeling, making it comfortable for long stays. Suitable for beginners or those who want to sweat slowly. With higher humidity, the quality of the heat is mild. The moment of self-löyly spreads steam, providing a relaxing sweating experience.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity2people
A cold plunge bath using well water drawn from underground. The water quality is soft, with a very pleasant feel on the skin. It is milder than tap water and offers a high level of refreshment. It gently cools down the body heated in the sauna, allowing for a thorough soak.
Closed Days: None
4369-1 To, Naka City, Ibaraki Prefecture
Gender Access
Gender Separated
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
—
Ibaraki Naka City
Ofuro Café Rinne no Yu is a comprehensive bathing facility located in Naka City, Ibaraki Prefecture. It offers two types of saunas: a cave sauna and a dry sauna, both delivering heat with the option of self-löyly and auto-löyly to vary the experience. The cold plunge bath uses well water drawn from underground to cool the body, while the sodium sulfate spring sourced from within Ibaraki Prefecture warms you from the core. You can also enjoy a medicinal herb bath using herbs grown in the botanical garden. With over 6,000 books, free coffee, massage chairs, and the Rinne Cafeteria, it is designed for long stays. Located within THE BOTANICAL RESORT Rinonai, it offers an integrated experience with the botanical garden.
TypeNatural Hot Spring
A sodium sulfate spring transported from a source within Ibaraki Prefecture. Colorless and transparent, it is gentle on the skin and warms the body gradually from the core. The texture of the water is soft, and the warmth lasts after bathing. It is expected to be effective for cold sensitivity and fatigue recovery, making it ideal as a finishing touch after heating up in the sauna.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity12people
A high-temperature dry sauna equipped with an auto-löyly function. The dry heat envelops the body, allowing for efficient sweating in a short time. The auto-löyly timing significantly raises the perceived temperature, allowing you to experience an intense heat wave.
Sauna TypeDry Sauna
Stove TypeConvection Stove (Sauna Stone)
Capacity8people
A medium-temperature, high-humidity sauna inspired by a cave. You can control the humidity at will with self-löyly, making it less suffocating. The heat is gentle and gradually penetrates to the core of the body. The stone-built atmosphere creates an extraordinary feeling, making it comfortable for long stays. Suitable for beginners or those who want to sweat slowly. With higher humidity, the quality of the heat is mild. The moment of self-löyly spreads steam, providing a relaxing sweating experience.
Water QualityNatural Water (Groundwater, Spring, etc.)
Capacity2people
A cold plunge bath using well water drawn from underground. The water quality is soft, with a very pleasant feel on the skin. It is milder than tap water and offers a high level of refreshment. It gently cools down the body heated in the sauna, allowing for a thorough soak.
Closed Days: None
4369-1 To, Naka City, Ibaraki Prefecture
Gender Access
Gender Separated
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