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The Grey Mountains

The Grey Mountains, or the Ered Mithrin, was a large mountain range in Middle-earth located to the north of Rhovanion.


The Grey Mountains were the last remnants of the wall of the Iron Mountains, which once stretched all over the north of Middle-earth, but were broken at the end of the First Age after the War of Wrath. North of the Grey Mountains lay Forodwaith, or the Northern Waste. This land was known as Dor Daidelos during the First Age, but most of it was destroyed in the breaking of Arda after the War of Wrath.

In the maps of the Second and Third Age, it may look like the Grey Mountains were but a northern arm of the Misty Mountains, but in truth, this mountain range was far older, stemming from the creation of Arda, whereas the Misty Mountains had not been raised until after the Years of the Lamps.

Where the Grey Mountains met at their western end with the Misty Mountains lay Mount Gundabad, an ancient Dwarven holy site and the place where Durin I awoke.  

The stretch of mountains west of the Misty Mountains which still formed one range with the Grey Mountains was known as the Mountains of Angmar, another remnant of the Iron Mountains.

The eastern end of the Grey Mountains was split into two branches, and in between lay the Withered Heath, where dragons still bred. After that was a long gap until the Iron Hills continued the old line of the Iron Mountains again. The Lonely Mountain was not part of either range and was entirely separate.

From east to west the mountains stretched some 350 Númenórean Miles, and the sources of the Great River Anduin, Langwell, the river Greylin, and the Forest River of Mirkwood arose in this range.


The Dwarves of Durin's folk considered the Ered Mithrin as part of their land as far back as the reign of Durin I. Because of constant attack by both Orcs of Morgoth and possibly Dragons, they were not heavily explored or settled until the Third Age. By the Third Age all Dwarven strongholds had been abandoned or raided by dragons, and the Grey Mountains served only to divide Forodwaith from Wilderland. Very few dwarves remained in the Grey Mountains during the Third Age after the core population left, and the Kingdoms of Durin's Folk most probably reclaimed their halls in the Grey Mountains during the Fourth Age due to the diminished states of Orcs and Dragons.


The Grey Mountains are also known as Ered Mithrin in Sindarin; from ered (mountains) + mithrin (grey).[1]

Other versions of the Legendarium

Another line of Grey Mountains in Middle-earth are seen on the Ambarkanta map: these are a series of mountains which continue the line of the Blue Mountains as the western edge of Endor, but on the southern half of the continent. Since no maps of the entire world exist after the First Age, it is unknown if this mountain line still existed in the Third Age. In any case they do not appear in any narrative.


Foreign Language Translated name
Afrikaans Grys Berge
Albanian Malet Gri
Amharic ግራጫ ተራሮች
Arabic الجبال رمادية
Basque Mendiak Grisa
Belarusian Шэрыя Гарах (Cyrillic) Šeryja Harach (Latin)
Bengali গ্রে পর্বতমালা
Bosnian Sive Planine
Bulgarian Сивите Планини (Cyrillic) Sivite Planini (Latin)
Cambodian ប្រផេះភ្នំ
Catalan Muntanyes Grises
Chichewa Imvi Mapiri
Chinese (Hong Kong) 灰色山脈 A.K.A. 伊瑞德米斯林
Croatian Sive Planine
Czech Šedé hory
Danish Gråbjerge
Esperanto Griza montoj
Estonian Hallmäed
French Montagnes Grises
Frisian Grize Bergen
Dutch Grijze Bergen
Galician Montañas Grises
Georgian რუხი მთები
German Graue Berge / Graues Gebirge
Greek Γκρι Βουνά
Hawaiian Oho Mauna
Icelandic Grá Fjöll
Indonesian Gunung-gunung abu-abu
Italian Montagne Grigie
Irish Gaelic Sléibhte Liath
Japanese 灰色山脈
Javanese Gunung klawu
Haitian Creole Gri mòn yo
Hebrew הרי גריי
Hindi ग्रे पर्वत
Hungarian Szürke-hegység
Kannada ಗ್ರೇ ಪರ್ವತಗಳು
Kazakh Сұр таулар (Cyrillic) Sur tawlar (Latin)
Korean 회색 산맥
Kurdish Çiyayên Gewr (Kurmanji Kurdish)
Kyrgyz Cyrillic боз тоолор
Latvian Pelēks Kalni
Lithuanian Pilka kalnai
Luxembourgish Groen Bierger
Macedonian Cyrillic Греј Планини
Maltese Muntanji griża
Malagasy Grey Tendrombohitra
Malaysian Kelabu Pergunungan
Marathi ग्रे पर्वत
Mongolian Cyrillic саарал уулс
Nepalese ग्रे पर्वत
Norwegian Gråfjellene
Old English Beorgas Grǣg
Pashto خړ غرونه
Persian کوه های خاکستری (Grey Mountains)

سرزمین‌میانه (Ered Mithrin)

Portuguese (Brazil and Portugal) Montanhas Cinzentas
Polish Szare Góry
Punjabi ਗ੍ਰੇ ਪਹਾੜ
Romanian Munții Gri
Russian Серые горы
Scottish Gaelic Glas Beanntan
Serbian Сиве планине (Cyrillic) Sive planine (Latin)
Shona Gireyi Makomo
Sindhi ڀورو جبل
Sinhalese අළු කඳු
Slovak Šedé Hory
Slovenian Sive gore
Somalian Buuraha Cirro
Spanish (Spain and Latin America) Montañas Grises
Swedish Grå bergen
Tagalog Abo Bundok
Tamil சாம்பல் மலைகள்
Telugu గ్రే పర్వతాలు
Thai เทือกเขาสีเทา
Turkish Gri Dağlar
Turkmen Çal Daglar
Ukrainian Cyrillic Сірих горах
Urdu گرے پہاڑوں
Uzbek Кулранг Тоғлар (Cyrillic) Kulrang Tog'lar (Latin)
Vietnamese Dãy núi xám
Welsh Mynyddoedd llwyd
Xhosa Ngwevu Iintaba
Yiddish גריי בערג
Yucatec Maya Witso'obo' Grises

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

Dwarven Realms of Middle-earth throughout the Ages
Years of the Trees Amon Rûdh | Belegost | Khazad-dûm | Mount Gundabad | Nogrod | Nulukkizdîn | Blue Mountains
First Age Amon Rûdh | Belegost | Khazad-dûm | Mount Gundabad | Nogrod | Nulukkizdîn | Iron Hills | Blue Mountains
Second Age Khazad-dûm | Belegost | Nogrod | Mount Gundabad | Blue Mountains | Iron Hills
Third Age Grey Mountains | Iron Hills | Khazad-dûm | Lonely Mountain | Blue Mountains | Dunland
Fourth Age Glittering Caves | Khazad-dûm | Lonely Mountain | Blue Mountains | Grey Mountains | Iron Hills


  1. The Complete Guide to Middle-earth
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