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Kusatsu Onsen

Basic Data

Located about 200 kilometers north-northwest of Tokyo, Kusatsu Onsen is a small town nestled in mountains where visitors can experience nature all year round.
Although its population is only around 7,000, it welcomes some three million tourists every year. Click here for detailed information on Kusatsu Hot Spring, one Japan's best three hot springs found in the center of the town of Kusatsu.

Unrivaled Waters

Kusatsu Onsen boasts the largest flowing water volume of all hot springs in Japan.
Click here to learn more about the natural spring water of Kusatsu Onsen, which is one of Japan's most acidic, kills almost all bacteria and microorganisms and has superior antibacterial power.

Bathing Styles

Jikan-yu and yumomi are two bathing styles unique to Kusatsu Onsen that have been handed down since the Edo Period.
Taking advantage of Kusatsu Onsen's qualities of both high temperature and acidity, these traditions have attracted the attention of people in all walks of life. Click here to see how you can experience them.

100 Best Hot Springs in Japan

Kusatsu Onsen chosen by the Japan's top travel agents as country's No. 1 hot spring for 10 consecutive years in the 100 Best Hot Springs in Japan! Also, chosen for admission into the Hot Spring Hall of Fame!

Cuisine & Souvenirs


Click here to see the many restaurants in Kusatsu Onsen that serve varied menus. Each restaurant listing contains detailed data.


Click here to learn about the places that sell famous Kusatsu Onsen souvenirs. There are details on shops and information about the different souvenirs.


Major Attractions

Click here for data on tourist attractions in central Kusatsu Onsen including Yubatake, the Netsu-no-yu Bathhouse home to yumomi, Sai-no-Kawara Street, Sai-no-Kawara Park, Shirane Shrine, ski slopes and a convenient loop bus that makes stops within Kusatsu Onsen. You may also wan't to go to a Pachinko gaming hall and try the different casino and arcade games. Read more about it at

Nearby Sights

Click here for data on tourist spots located nearby Kusatsu Onsen including Mount Shirane, Lake Yugama, the Asama Onidashi-en Park and Shira-ito Falls.