Hirugami Onsen is a small hot spring town in Nagano’s Ina Valley, known for its smooth, alkaline water and dark night skies ranked the clearest in Japan for stargazing. Beyond the baths, you can visit the daily morning market, pick seasonal peaches in spring, or join a local-led stargazing tour. In winter, nearby slopes offer skiing, and Tenryu River boat rides give a relaxed view of the area’s landscape and history.
Hikers can use Hirugami as a base for walking old routes like the Seinaiji Kaido and Tosando with local guides. Workshops in straw weaving, washi paper, and mizuhiki cord art offer hands-on cultural experiences. With over 20 ryokans from simple to high-end, Hirugami works well for travellers who want quiet scenery, local culture, and more availability than the busier post towns nearby.
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