The river begins in the mountains of Lykaio to the west through a mixture of barren rock and forests, it flows into the Messinia prefecture and near the village of Neda which owes its name from this river, for the next 40 to 50 km it flows with the boundary of Messinia and Ilia prefectures for the rest of its length and covers the most length. It passes under the underpass of the GR-9/E55 (Pyrgos - Kyparissia) and into the forests, marshes and the delta at the small plain area 2 km west of the highway and into the Ionian Sea with the Gulf of Kyparissia.