Kaike Onsen Shionoyu is a hot spring facility specializing in day-trip bathing, overlooking the beautiful Sea of ​​Japan. Kaike Onsen is a scenic spot also known as the "Hawaii of Japan," and at Shionoyu, you can easily enjoy the hot springs that spring up in this rich natural environment. The spring quality is a sodium-calcium chloride spring, which has a high heat retention effect and is characterized by its long-lasting cooling effect. It is also known as the "beautiful skin bath" because it is expected to have a skin-beautifying effect.

From the large bath, you can enjoy the hot springs in a spacious and open space. Especially at dusk, bathing while looking at the crimson sky and sea is exceptional. There is also an open-air bath, where you can relax while feeling the sea breeze. There is a rest area and a shop selling local specialties inside the building, so you can relax after bathing.

You can also take a bath at a reasonable price only during the early morning hours from 6:00 to 10:00 (last entry 9:00). This is especially recommended for those who stay in cheap hotels or sleep in their cars.

There is also a free foot bath in front of the hotel across the street.

[Trivia]
Kaike Onsen is said to have started in the Meiji era when a fisherman discovered hot springs bubbling up from the ocean floor. As it is close to seawater, it has a high salt concentration and is characterized by warming you to the core.