Lhûn

From Lotro-Wiki.com

The river Lhûn flows in the eastern part of Ered Luin through the areas of Falathlorn, Kheledûl and Haudh Lin. The settlement of Celondim and the Dourhand Dwarves' port-city of Kheledûl have docks on the river. A high bridge across the Lhûn connects Duillond to the Falathlorn Homesteads and the road to The Shire. The river is known as Lune to hobbits and men.

Lore

The river Lhûn (or Lune) was a river of north-western Eriador.

In the Second and Third Age, it emptied into the Gulf of Lune that broke through the Ered Luin and thence into Belegaer.

It had three (unnamed) tributaries: two of them arising in the Ered Luin, and one beginning in the Hills of Evendim north of the later capital of Arnor, Annúminas. It was not connected to Lake Nenuial, the origin of the Baranduin (Brandywine) river.

In the First Age, the course of the river is not known. The Gulf of Lune was not created until the War of Wrath so the river must have had a different lower course. Possibly it connected with the Baranduin further south. (Source: One Wiki to Rule Them All)