Kamiiso Station
Lines. Kamiiso Station is served by the 37.8 km South Hokkaido Railway Line between and . Station layout. The station has two platforms serving three tracks. History. Kamiiso Station on the Esashi Line opened on 15 September 1913. With the privatization of JNR on 1 April 1987, the station came under the control of JR Hokkaido. Operations on the Esashi Line were transferred from JR Hokkaido to South Hokkaido Railway Company when the Hokkaido Shinkansen opened on 26 March 2016.