Hot springs in Iwaki Yumoto
Iwaki Yumoto, Tohoku · Japan
Iwaki Yumoto Onsen, located in Iwaki, Fukushima Prefecture, Japan, offers a serene retreat with its rich history dating back to the Nara period. The onsen town is renowned for its hot springs that developed significantly during the Meiji period through borehole drilling in the Jōban Coal Fields. Visitors can enjoy the traditional atmosphere of this historic resort while exploring nearby attractions like the Spa Resort Hawaiians, which adds a modern twist to the classic onsen experience. The area's natural beauty and tranquil environment make it an ideal destination for those seeking relaxation and rejuvenation. Spring (March-May) or autumn (September-November) are best due to mild weather and beautiful scenery.
Top-rated hot springs in Iwaki Yumoto

Iwaki Yumoto Onsen sits in Fukushima Prefecture and holds an unusual distinction among Japanese hot spring towns: its single underground source pushes out roughly five tonnes of water per minute, a rate that places it among the most productive springs in the country. The water is classified as a sodium chloride and sulfate spring and carries a notable sulfur quality. Together with Arima and Dogo, Iwaki Yumoto is counted as one of Japan's Three Ancient Hot Springs.
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