The Gelion River System
J.R.R. Tolkien only shows one unnamed river in Forlindon west of the Erid Luin. In the absence of any other information I will name the river Gelion after the great river that existed here in the Second Age. The River Gelion springs from the western side of the Blue Mountains flows roughly south and empties into the Gulf of Lune. Sarn Athrad is the stony ford of the River.