Sangnoksu Station (상록수역, 常綠樹驛, always.green.tree.station) is a station on line four of the Seoul subway. It is next to Banwol and Hanyang University at Ansan Station. The name of the station comes from a novel of the same name by Shim Hun (심훈, 沈熏, 1901∼1936), based in the area.