This planet is brimming with ethereal beauty. You'll find some of it at Iwase Yumoto Onsen, which is famous for its natural, bubbling waters.
This naturally heated water source in Ten-ei is popular with fellow travelers, so leave a spot for it on your must-see list. Don't stop there, though. There are many more attractions waiting for you to discover after Iwase Yumoto Onsen. Yunokami Onsen, Hatori Lake, and Tonohetsuri are not far away.