An authentic Rocky Sauna. Automatic löyly spreads steam through the room every 15 minutes, gently drawing out sweat. The powerful heat from the gas stove envelops the body. On weekends there is whisking (aufguss) at 17:00 and on Wednesdays at 21:00. Equipped with a TV for relaxed, long sessions. The löyly uses natural water from the Northern Alps water system and has been loved by sauna enthusiasts for many years.

The landmark women's sauna, Yuyu Wonderland. Renovated in 2023 to introduce automatic löyly. Aroma-scented auto löyly periodically fills the room. The sauna TV is remote-controlled. On Sundays at 18:00 a löyly heatwave (aufguss) session is held.

Uses 100% natural spring water from the Northern Alps water system in a continuous flow. No circulation filtration or chlorine is used, and fresh cold water constantly flows in. The water is licensed for drinking, and water from the overhead waterfall jets and taps is also potable. Cold yet soft, it is reputed to leave skin smooth. Beside the cold plunge there is an outdoor relaxation area where you can rest on totonou chairs.

A cold plunge with vibra vibration jets. Slightly warmer than the main plunge, it allows for a gradual cooldown. Uses 100% natural spring water and is also drinkable. The vibrations provide a massage effect. Its compact size makes it suitable for concentrated totonou.

One of Japan's largest cold plunge baths, the Blue Cave. The women's area was extensively renovated in 2023. Pool-sized, it has drinking taps and waterfall jets, and is constantly overflowing so fresh spring water continually flows in. A space that male saunagoers envy is available exclusively for women. The water is cold yet soft and leaves the skin feeling smooth.

A cold plunge adjacent to the Blue Cave, constantly overflowing with natural spring water. The water quality is drinkable, and its moderate chill allows for a steady cooldown. Together with the Blue Cave, you can choose the preferred temperature and size to achieve totonou.