Kusatsu Onsen

One of Japan's 'Three Great Hot Springs' in Gunma Prefecture. Roughly 4,000 liters of hot spring water gush per minute from the Yubatake (hot water field), and unique bathing customs include yumomi (water stirring) shows. It consistently ranks among Japan's most popular onsen destinations.

One of Japan's premier hot spring resorts in Kusatsu, Gunma Prefecture. With over 32,300 liters per minute of natural spring water, it boasts Japan's highest output. The resort centers on the yubatake hot water field, and the traditional yumomi practice of cooling hot water with wooden paddles is famous. Its strongly acidic waters have high bactericidal properties.

One of Japan's premier hot spring resort areas, accessible in roughly 90 minutes from Tokyo. Boasting over 20 types of spring water alongside attractions such as Lake Ashi, Owakudani, and the Hakone Museum of Art, it welcomes approximately 20 million visitors annually.

A uniquely Japanese bathing culture built around natural hot springs born of volcanic geography. Cherished since ancient times for physical and mental healing as well as social bonding, onsen culture — together with ryokan hospitality and the charm of hot spring towns — has become an IP symbolizing the Japanese lifestyle.

One of Japan's oldest hot springs, mentioned in the ancient chronicle Nihon Shoki. The main bathhouse is a designated Important Cultural Property, famous as the setting of Natsume Soseki's 'Botchan.' It is also said to have inspired the bathhouse in Studio Ghibli's 'Spirited Away.'

A globally rare natural sand bath experience on the coast of Ibusuki, Kagoshima. The unique style of being buried in geothermally heated sand is said to offer excellent detoxification benefits and has been frequently featured in international media.