The Senzan Line is a railway line in Japan. Part of the East Japan Railway Company system, it runs from Sendai Station in Sendai, Miyagi Prefecture to Yamagata Station in Yamagata, acting as a connector between the Tōhoku Main Line/Tōhoku Shinkansen and the Ōu Main Line in southern Tōhoku. It also provides access to western Miyagi Prefecture and eastern Yamagata Prefecture. It connects with the Tōhoku Shinkansen, Tōhoku Main Line and Senseki Line at Sendai Station, the Ōu Main Line at Uzen-Chitose, Kita-Yamagata, and Yamagata Stations in Yamagata, Yamagata, the Aterazawa Line at Kita-Yamagata and Yamagata Stations, and the Yamagata Shinkansen at Yamagata Station.