Greyflood

Mitheithel.

Gwathir.

Gwathló.: (Gwat : Sindarin for Shadow in the sense of dim light owing to cloud or mist or in deep valleys. This does not fit the geography in the late Second age and Third age but did before the Númenorians arrived. The river mirrored the trees at the banks like clouds and would have been running in the shade of the trees like in a valley.)

River of Shadow. (Translation from Gwathir and Gwathló.) Gwathir the River of Shadows was called this name by the Númenorians because of the large woods surrounding it when Aldarion first came here, in the Second age about year 800, where he founded the haven Vinyalondë (Lond-Daer) the New Haven. At that time the river ran in the remnants of the Southern Forest.

Agatharush. ( Adûnaic.)

Existed in the Valian Years of the Trees and in the First, Second and Third age. The river may have been created in the time when Melkor raised Hithaeglir to prevent Oromë`s ride and stewardship of Middle-earth. We hear of those rides first time in the Valian Years of the Trees year 0-1000.

The long river had its offspring high north in Hithaeglir (Misty Mountains) and ran down on its western side first named Hoarwell through Ettenmoors passing beneath the Last Bridge on the western side of Rivendell.

It became named Mitheithel, where Bruinen floats into it coming from an offspring near the High Pass running on the eastern side of Rivendell. The river now runs as the western border of Eregion to Tharbad and the Bridge of Tharbad where it became named Greyflood between Minhiriath and Enedwaith until it reaches the sea at Lond-Daer.

Before Mitheithel reaches Tharbad and the fords of the Greenway and Old South Road it passes Nîn-in-Eilph, the Swanfleet, which is feeded by river Sirannon.