is a tunnel on Sanriku Railway (Rias line) that runs from Shin-Tarō Station to Settai Station, in Miyako city, Iwate prefecture with total length of 6.532 km. It was built and completed in 1984. Masaki Tunnel
See also List of tunnels in Japan Seikan Tunnel undersea tunnel between Honshu-Hokkaido islands Kanmon Railway Tunnel undersea tunnel between Honshu-Kyushu islands Sakhalin–Hokkaido Tunnel Bohai Strait tunnel
References
External links Gov. maps.gsi.go.jp Sanriku railway line.