The Encyclopedia of Arda - an interactive guide to the world of J.R.R. Tolkien
The fortified valley of the Deeping-coomb ran into the White Mountains near their northwestern extent
Rohirrim (after the foundation of Rohan in III 2510)
The Deeping-stream ran out of, and took its name from, this valley
Important peaks
The Thrihyrne rose above the Deeping
Named in reference to the narrow head of the valley, later known as Helm's Deep1
Other names
The valley was more usually called the Deeping-coomb, or simply the Coomb


About this entry:

  • Updated 21 December 2023
  • Updates planned: 1

The Deeping

The guarded vale of the Deeping-stream

Map of the Deeping
The valley of the Deeping (somewhat conjectural)2
The valley of the Deeping (somewhat conjectural)2

The deep valley in the northern White Mountains where Helm Hammerhand took refuge from the Dunlendings during the Long Winter, and was afterwards more commonly called 'Helm's Deep'.



In his guide for translators of The Lord of the Rings, Tolkien notes that the word Deeping was used of places with a relationship to Helm's Deep at the head of the valley. Thus the valley itself was the Deeping-coomb, the stream that ran out of it was the Deeping-stream, the wall that protected the Deep was the Deeping Wall and so on. Used as a general term, The Deeping would thus encompass the valley of the Deeping-coomb and all that it contained.


The region around the Deeping is not mapped in detail, so there are some conjectural elements to this map. In particular, the location of Grimslade is not known, beyond the fact that it lay somewhere in the Westfold. The course of the Deeping-stream after it left the valley is also unknown, but realistically it must surely have emptied into Isen, which was the nearest major river by some considerable distance.

See also...



About this entry:

  • Updated 21 December 2023
  • Updates planned: 1

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