Enasan Tunnel (恵那山トンネル, えなさんトンネル) is a tunnel on the Chūō Expressway (E19) in Japan that runs (through the Kiso Mountains) from Shimoina District, Nagano prefecture to Nakatsugawa City, Gifu prefecture with up-line length of 8.649 km and down-line length of 8.489 km.

It was completed and opened in 1985.

[1]

This article about a Japanese building- or structure-related topic is a stub.

You can help Wikipedia by expanding it.