Unique in France, this outdoor hot water bath is designed according to the ancestral tradition of Japanese spa, better known under the name of Onsen. 40°C water, successive waterfalls, rocks from the valley of Chamonix and Zen garden of small marble pebbles contribute to the creation of a unique environment that beckons to relaxation. Located right next to the pool, it offers an ideal viewpoint that allows you to admire the park of the castle that opens up right in front of you.