Giants....

[Raynor]

Hammond and Scull, in their comments on "The passing of the grey company", quote an explanation of the name Tarlang's Neck:

Originally Posted by LotR Companion, page 536

It is said that when "in ancient days" some giants were building the White Mountains as a wall to keep Men out of their land by the Sea, one of them, called Tarlang, tripped and fell on his face as he was carrying a heavy load of rocks on his head, he broke his neck and was killed. The other giants used his body to complete the wall at that point, but left his neck lying southward, leading to the three mountains of the spur: Dor Tarlang, Tarlang's Head, Cul Veleg, Bigload and Cul Bin, Little Load.