Japan's rich and famous head to the cooler highland areas in the summer, and one of the best known is Nasu Kogen. Even the imperial family has a villa there. It is also home to one of Japan's top onsen ryokan hotels, the Nasu Kogen Sanraku.
If you're visiting Tochigi, check out this list of top tips and things to do to make the most of your time there.
The Kinugawa Onsen Sanraku Hotel is a high-grade nouveau-style onsen perched on the banks of the Kinugawa river. Steaming onsen, delicious Franco-Japonaise evening cuisine, verdant mountain views, and delightful back streets to wander around in your kimono. Basically the quinessential onsen experience.