Usui Pass

The Usui Pass (碓氷峠 Usui-tōge) is a mountain pass that lies between Nagano and Gunma Prefectures in Japan. It has served as one of the major transportation routes in central Japan since at least the eighth century.

Usui Pass

The Usui Pass (碓氷峠 Usui-tōge) is a mountain pass that lies between Nagano and Gunma Prefectures in Japan. It has served as one of the major transportation routes in central Japan since at least the eighth century.