Saitama Soka City
A healing space featuring superb sauna facilities and natural hot springs
"Ryusenjinoyu Soka Yatsuka Branch" is a day-use hot spring facility in Soka City, Saitama Prefecture. You can experience the ultimate cooldown with a wide variety of sauna options, including a bazooka löyly sauna and a medi sauna, as well as cold baths, including a single-temperature cold plunge bath. Another highlight is the rich selection of baths, such as a natural hot spring with a highly heat-retentive chloride spring and a high-concentration carbonated spring. The rock bath lounge, forest villa, is also fully equipped with a coworking space and a book library, making it easy to spend the whole day in comfort.

A bath infused with fine carbon dioxide bubbles. When you soak in the water, your entire body is enveloped in tiny bubbles, promoting blood circulation with a pleasant stimulation. The mildly warm temperature allows you to relax for long periods without putting strain on your body.

This sauna is known for its automatic löyly system, which operates every hour at :00 and :30. Waves of heat envelop your entire body, drawing out sweat all at once. In the spacious interior, you can enjoy an invigorating sweating experience while feeling the powerful heat.

This sauna is located in the open-air area and offers self-löyly. You can adjust the humidity and temperature at your own pace, and spend meditative time quietly facing yourself in a calm space. Wrapped in pleasant steam, you can enjoy a deep sense of relaxation.

A women-only sauna equipped with mud packs and salt at all times. While being soothed by the aroma fragrance, you can apply salt to your body to leave your skin feeling smooth. In the gentle heat, you can leisurely enjoy beauty care and detox.

A cold bath that gently cools down a body warmed by the sauna. It has a solid depth, and the refreshing chill that surrounds your whole body helps you feel pleasantly refreshed and tightened.

An extremely cold cold plunge bath set to a single-digit water temperature. It instantly cools the body after the sauna, delivering an intense sense of refreshment and a tightening effect. You can experience an exciting cooldown suited to advanced users.

A deep cold plunge bath in the men’s bathing area. If you wash from head to toe, submersion is possible, allowing you to cool your body thoroughly all the way to the tips of your head. Its appeal lies in the dynamic cooldown of surrendering your whole body to cold water.
Open Year-Round
Saitama
A bathing resort with natural hot springs, three types of saunas, and three types of cold plunge baths
Saitama
Be soothed by a large public bath and sauna that feel like a forest spring in the bonsai city of Omiya
Saitama
An open-air bath embraced by trees that are 100 years old, and a natural hot spring flowing directly from the source