Ephel Dúath, also known as the Outer Fence, are a range of mountains making up Mordor’s western and southern borders.


They meet the Ash Mountains at the Black Gate, so that between them the mountain ranges effectively seal off Mordor from invasion on three sides. They house Morgul Vale, where the city of Minas Ithil resides. The Pass of Cirith Ungol leads through the Ephel Dúath from the Stairs of Cirith Ungol behind Minas Morgul to the Tower of Cirith Ungol, which is on the eastern side of the mountain chain, and is guarded by both Minas Ithil and Cirith Ungol, and is home to the giant spider Shelob, daughter of Ungoliant. In its northern reaches, lies the castle of Durthang, above Udûn. Its southern half is penetrated by the river Poros, which is fed by the Sea of Núrnen just south of Durthang and to the east are the Morgai.

To the far south-east of Mordor is the Ered Glamhoth, the tail of mountains that curves northwards off of the Ephel Duath.[1][2]


Ephel Dúath is a Sindarin name that literally means 'Outer fences of dark Shadow'.[3]

Translations around the worldEdit

Foreign Language Translated name
Amharic ዐፕሀል ዹኣጥ
Arabic دواث افيل
Armenian Եպհել Դւատհ ?
Belarusian Cyrillic Епhел Дуатh
Bengali এফেল দুঅথ্
Bulgarian Cyrillic Епхел Дуатх
Chinese (Hong Kong) 伊菲爾杜斯 A.K.A. 黯影山脈
Dari هپههل دواته
Georgian ეფჰელ ძუათჰ ?
Greek Εφελ Ντουαθ
Gujarati ઍફેલ ડુઅથ્
Hebrew יפּהיל דואתה ?
Hindi एफेल दुअथ्
Hungarian Árnyék-hegység A.K.A. Homály Kerítése
Japanese えpへl づあth ?
Kurdish ه‌پهه‌ل دواته (Arabic script) Ephel Dwath (Latin)
Kyrgyz Cyrillic Эпhэл Дуатh
Lao ເປຫເຣ ດຸະຕຫ ?
Macedonian Cyrillic Епхел Дуатх
Marathi एफेल दुअथ् ?
Nepalese एफेल दुअथ्
Pashto ېپهېل ضواته
Persian هپههل دواته
Russian Эфель Дуат
Sanskrit एफेल् डुअथ्
Serbian Епхел Дуатх (Cyrillic) Ephel Duath (Latin)
Sinhalese ඒඵෙල් ඩුඅථ්
Tajik Cyrillic Епҳел Дуатҳ
Tamil ஏப்ஹெல் டுஅத்ஹ்
Telugu ఏఫెల డుఅథ్
Tibetan ཻཕེལ དུུཨཐ​
Tigrinya ዐፕሀል ዹኣጥ
Ukrainian Cyrillic Епгел Дуатг
Urdu ےپهےل ضواته ?
Uyghur ەپھەل دۇاتھ
Uzbek Епҳел Дуатҳ (Cyrillic) Ephel Duath (Latin)
Yiddish ײפּהעל דואַטה

Mountain Ranges of Arda

Ash Mountains | Echoriath | Ephel Dúath | Ered Gorgoroth | Blue Mountains | Ered Lómin | Grey Mountains | Ered Wethrin | Iron Hills | Iron Mountains | Misty Mountains | Mountains of Angmar | Mountains of Mirkwood | Mountains of Mithrim | Orocarni | Pelóri | Wall of the Sun | White Mountains | Yellow Mountains


  1. The Lord of the Rings, The Return of the King, Book Six, Chapter II: "The Land of Shadow"
  2. The Atlas of Middle-earth, Regional Maps, "Mordor (and Adjacent Lands)"
  3. The Complete Guide to Middle-earth