Tateyama Kurobe Alpine Route

The Tateyama Kurobe Alpine Route is a mountain sightseeing route between Tateyama, Toyama and Ōmachi, Nagano, Japan. Opened on June 1, 1971, it is 37 kilometres long, with a difference in elevation of as much as 1,975 metres.

https://www.alpen-route.com/en/