Tateyama has some of the heaviest snowfalls in the world. An average of 7 m accumulates every year. In heavy years up to 20 m can accumulate! That’s as high as a 10 story building! You can walk 500 m between the walls of snow and enjoy sledding in April. You can also watch the snow being removed from the road. Impressive views can be seen just after the road is opened at the end of April until May. After June the walls of snow become shorter but some snow remains even in August. You can play in the snow.
English sentences are cited from “http://www.alpen-route.com/en/introduction/highlights/murodo“