 Muroran Main Line

The is a railway line in Hokkaido operated by Hokkaido Railway Company (JR Hokkaido), between Oshamambe Station in Oshamambe and Iwamizawa Station in Iwamizawa, approximately paralleling the coast of Iburi Subprefecture.There also is a branch line within Muroran, between Higashi-muroran and Muroran Station.