World's End

The unbroken cliffs that line the Aryth Ocean north of Arad Doman are known as World's End.

References

Guide - North of Arad Doman, the coast of the Aryth Ocean is a line of unbroken cliffs known as World's End.
TPoD,Ch1 - Currents of the Aryth Ocean and the Sea of Storms allow seafarers to travel from World's End to Mayene and beyond.
KoD,Ch20 - After receiving a promise that he will ride straight to Fal Moran and accept followers, Nynaeve takes Lan to the Borderlands...to World's End west of Saldaea.