- This page is about the Whitcleft as it appears in Lothlórien. For the river in T.A. 2799 during the Sixth War of Dwarves and Orcs under its Dwarvish name, see Labam-gairu. For the Elf-maiden, see Nimrodel (Elf).
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Nimrodel is the name of the river that marks the borders of the woods of Lórien. Any who dare to cross without the consent of the Galadhrim will expect to be shot on the edge of the Lórien side. Nimrodel is actually two separate flows of water that both join the larger Celebrant at almost exactly the same point.
The following settlements are found within this area:
These landmarks are located within Nimrodel:
-  Vol. 2, Book 6 -- Chapter 3: Rúmil and Orophin
-  Aiding the Elves II
-  Aiding the Elves III
The following creatures are found within these borders:
- The river Nimrodel was named after an Elf-maiden of old who once dwelt by a waterfall there, and fell in love with Amroth, the Lord of Lórien. Long ago, they left Lothlórien together for the haven of Edhellond, but Nimrodel disappeared in the White Mountains and her fate remains unknown. In later years, the River Nimrodel served as the site of a watchpost of the Galadhrim, kept by the brothers Haldir, Rúmil, and Orophin.
- The waters of Nimrodel are said to bring healing to the weary, and some claim they can hear the voice of the maiden singing in the falls. As the War of the Ring has worsened, the waters have been defiled by the filthy feet of Orcs, and the Elves of Lothlórien seek vengeance. 
Passing ancient dwarven ruins, the river leaves the snow behind as it enters Nanduhirion.
As it keeps descending through a series of waterfalls, the land around it becomes dappled with birch trees.
The cold water of the river is said to give healing to the weary. The animals of the land appear to realise this.
A final fall off a cliff puts Nimrodel on the border with Lothlórien.
At the bottom of the falls, a statue of the elf-maid Nimrodel stands on a pool in the river, which is named in her honor.
The northern branch of Nimrodel is much shorter, pouring from a small lake in the foothills of Fanuidhol.