High Quality Content by WIKIPEDIA articles! Oenus (Greek: ), also called Kelefína, the modern Oinoús, rises in the watershed of Mt. Parnon, and, after flowing in a general southwesterly direction, falls into the Eurotas, at the distance of little more than a mile from Sparta. (Polyb. ii. 65, 66; Liv. xxxiv. 28.) The principal tributary of the Oenus was the Gorgylus (Greek: , Polyb. ii. 66), probably the river of Vrestená. (Leake, Peloponnesiaca, p. 347.)