A long range running north to south, between
Eriador and the
Vales of Anduin
Said to have been raised in ancient days by
Melkor as a defence against the
Valar
The High Pass,
The Redhorn Pass; lesser unnamed passes included one above the sources of the
Gladden River, and another above the sources of the river
Hoarwell; the mountains could also be passed by traversing the
Gap of Rohan at their southern end