Japan hot spring, nature, health and history.
When you visit our Japan spa, you will feel the beauty and culture through Kusatsu onsen.
Kusatsu onsen is located in Gunma prefecture, about 2 hours from Tokyo. Kusatsu Onsen is one of the most popular Japan hot springs, where more than 3 million people visit every year.
The purity of the water is number one in Japan and is 100% naturally cooled spring water. Our Japan spa is where Japanese history and the beauty of a healthy heart meet.