If it's your first time traveling to a hot spring in Japan, go here.

I went to one of Japan's top three hot springs, the Gero Hot Springs, and the Suimeikan Ryokan, which was selected as one of the top three Ryokan. It was my first time on a hot spring trip, and it was very nice.
It's better to go and take a hot spring when it's cold!
It's a recommended place.
gero : maps.app.goo.g...
suimeikan : maps.app.goo.g...