Kubiki Tunnel

Kubiki Tunnel (頚城トンネル) is a tunnel on JR-West Hokuriku Main Line in Japan that runs between Oazanou, Itoigawa city, Niigata prefecture and Tsuboyama, Nadachi ward, Joetsu city, Niigata prefecture with approximate length of 11.353 km. It was completed and opened in 1969, and officially inscribed by Reisuke Ishida, the president of the Japanese National Railways.