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Sauna & Spa

A sauna that reaches the height of heat and is filled with tranquility.Experience the ultimate state of well-being, only at Rainbow.

  • A full-fledged sauna exceeding 120℃.An overwhelming heat that awakens the entire body.
    A powerful heat awakens the entire body.
    A full-fledged high-temperature sauna with temperatures ranging from 120 to 130°C.
    The powerful heat penetrates deep into your body, allowing you to experience deep sweating and a refreshing feeling even in a short amount of time.
    At the Aufguss held every month, the hot air emitted by the heat master...
    It will guide you to an even deeper state of "well-being."

    Characteristics
    ✓Temperature 120℃~130℃
    ✓ Aufguss will be held (please see the announcements section for dates).)
    ✓Spacious sauna
    ✓ A heat level that will satisfy everyone from beginners to advanced sauna enthusiasts.
  • A meditation sauna enveloped in silence.A quiet space with the lights dimmed.
    While enveloped in the soft steam and aroma created by the automatic Löyly,
    You can relax and enjoy some time to yourself.
    This sauna is designed to help you regulate your breathing and deeply relax your mind, along with the heat.


    Characteristics
    ✓ Comfortable temperature setting of approximately 85℃
    ✓ Automatic Löyly service is available daily from 6:00 AM to 11:00 PM.((Every hour)
    ✓ A tranquil space created by subdued lighting
    ✓ Designed for a relaxed and deep sense of well-being.

Experience the ultimate alternating hot and cold bath with natural well water and Fukan no yu.

  • Natural well water and a rainbow symbol. "Venus"
    The cold bath, using natural well water drawn from underground, has a gentle feel on the skin.
    It provides a pleasant way to cool down your body after being heated up in the sauna.

    The Venus statue, which has watched over customers for many years, is a symbol of the rainbow.This rainbow-colored landscape is a familiar sight to both first-time visitors and regular customers.

    Characteristics
    ・Temperature 15℃~18℃
    ・Uses natural well water
    ・Rainbow symbol"Venus"

    *Alternating cold baths are a bathing method that involves using two baths with different temperatures alternately.
      You can enjoy a more comfortable cool-down by adjusting the temperature to your preference.
  • A gentle, enveloping Fukan no yu. ((Fukanyu)
    Fukan no yu, kept at a temperature close to body temperature of approximately 28 to 32°C,
    It is characterized by being less sensitive to both heat and cold, and putting less strain on the body.

    Soaking in the bath after a sauna or cold bath allows your mind and body to naturally relax, providing a more comfortable and relaxing experience.

    Characteristics
    ・Temperature 28 to 32°C
    ・The temperature setting is gentle on the body, allowing you to enjoy a long, relaxing bath.
    ・Also recommended for alternating hot and cold baths.

A relaxing bath where both mind and body can unwind.

  • It gently envelops the body."circular bath"
    A relaxing bath with a comfortable water temperature of 38 to 40°C, allowing you to soothe and warm your entire body.
    It's recommended not only for warming up before a sauna, but also for "alternating hot and cold baths" to gently warm your body again after cooling down in the sauna.
    The gentle warmth of the bath soothes away daily fatigue and tension, allowing you to enjoy a truly relaxing time for both mind and body.

    Characteristics
    ・Comfortable water temperature of 38 to 40℃
    ・Gently warms the body
    ・Recommended for alternating hot and cold baths
    ・Perfect for conditioning before and after a sauna.
  • It warms you up thoroughly, leaving you feeling cozy and warm to the core."Hot water"
    It gently warms a chilled body and promotes blood circulation.
    Entering the bath before going to the sauna makes it easier to sweat, and you can feel completely satisfied just by taking a bath.
    We offer seasonal baths with different scents and colors from time to time.
    This is a popular bath.

    Characteristics
    ・Temperature 40℃~42℃
    ・High water temperature that warms you to the core
    ・Promote blood circulation,refresh
    ・Recommended before and after sauna