Old Usui Pass Viewpoint 旧碓氷峠見晴台
It is in Nagano, but the view is all towards Gunma: the three mountains of Jōshū and Mount Asama.
A viewpoint on the old Usui Pass, the road that for centuries linked Karuizawa (Nagano) with the Gunma side, before the railway opened.
Nagano
Naka-Karuizawa