The Former Usui Pass Observatory is an observation park located at an altitude of 1,200 meters on the border between Nagano and Gunma prefectures. From the 360-degree panoramic view, you can enjoy a view of the mountains such as the Southern Alps, Mt. Yatsugatake, and Mt. Asama. Especially during the autumn foliage season, beautiful scenery spreads out, attracting many tourists. In addition, you can also see the starry sky from the observatory, and on clear days, you can enjoy a romantic night view.
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