The Ladon (Ancient Greek and Katharevousa: , Ládà Ân; Demotic Greek: , Ládà Ânas), or Pineiakos Ladonas (), to distinguish it from the river of the same name in Arcadia, is a river of Elis in Greece. It rises in the highlands to the south of Mount Erymanthus; it flows at first through a narrow ravine, and, anciently flowed into the Peneius, but now flows into the , a man-made lake created by the Peneus Dam. It is long. The river is called the Selleeis (ãõûûîõùÃÂ) by Homer.