Yumotosanso Yunokuchi Hot Spring is a charming and secluded hot spring (onsen) located in the remote mountains. It's part of the Kumano region, known for its natural beauty and healing waters.

It is accessible via a hike, and the remoteness adds to the sense of tranquility. The waters are known for their healing properties, particularly sulfur, which is believed to be beneficial for the skin and overall health.

Hours: 9:00 ~ 21:00

Fee: 550 yen (1,100 yen for private onsen)

The onsen is open year-round, though it may close seasonally for maintenance during the winter months.