Cirith Caradhras:

(S. "Redhorn Pass"; alt. "Redhorn Gate"; Kh. "Lagil Barazinbar") The high pass crossing the Misty Mountains between the mountains Caradhras and Celebdil. It connects Eregion to Lorien. On the east side the road drops by way of a Dwarf-stair which runs alongside the falls feeding the Kheled-zaram.