Gozu Onsen Village (Deyu Onsen, Imaita Onsen, Murasugi Onsen)

In the heart of Mt. Gozu lie the three hot springs of Deyu, Imaita, and Murasugi, which together form the Gozu Onsen Village.
Each onsen is a radium spring, well known for their efficacy, and the onsen village as a whole has won 1st place in satisfaction rate in the Niigata Tourist Satisfaction Survey multiple times thanks to the soothing effect of the springs on both body and mind.
Deyu Onsen has 2 public baths, while Imaita has 1, and Murasugi houses a foot bath area.
You can also bathe in the radium springs even if you don't intend to stay the night.