Thursday, August 13, 2026 Search My Trip EnglishChinese
World news · travel · culture
Taiwan The Taiwan Times
Taiwan's window to the world

Enrei Tunnel

The 178th longest tunnel in the world

5.99 km · Length

Enrei Tunnel is a tunnel on the JR's Chuo Main Line in Japan that runs from Okaya, Nagano to Shiojiri, Nagano in Nagano prefecture with approximate length of 5.994 km. It was completed and opened in 1983. Its construction took 14 years, and reduced the travel distance between Okaya and Shiojiri by about 16 km.

Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

Other tunnels in Japan