Kumanoyu is a hot spring that has been around since the Meiji era, and was used by local fishermen as a place to soothe their daily fatigue. Currently, it is a popular spot where secret hot spring fans gather from all over the country.
It is also used by many guests from nearby campgrounds and locals.

The spring quality of Kuma-no-Yu is a sulfur-containing sodium chloride spring, which is said to be effective for neuralgia, muscle pain, and skin diseases.

Kuma-no-Yu can be used 24 hours a day, and there is no bathing fee. However, cleaning is carried out by local volunteers. Also, please be respectful when bathing.