Orcs in the direct service of the
Dark Tower were named
Orcs of Barad-dûr
Barad-dûr,
Sauron's Dark Tower, stood on a spur of these mountains, and the tower of
Carchost lay at their western end
Two of the rivers feeding
Lake Núrnen rose in the eastern Ered Lithui
Carach Angren and
Cirith Gorgor separated this range from neighbouring
Ephel Dúath
e'red li'thui ('th' as in English 'myth', and 'ui' as in 'ruin', pronounced as a single syllable)