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The Glanduin was a river in the region of Eriador in Middle-earth and an eastern arm of the Gwathló.

Beginning in the Misty Mountains south of Moria, it flowed west-north-west until it was met by the Sirannon near the old location of Ost-in-Edhil, the capital of the Elven realm of Eregion. From there the Glanduin flowed towards the Hoarwell, which it met in the marshes known as Swanfleet or Nîn-in-Eilph north-east of Tharbad. From there on both rivers became the Gwathló.

During the days of Gondor's power the Glanduin marked the northernmost border of the kingdom in the west.

According to The Atlas of Middle-earth, it was approximately seventy-five miles in length.[1]

On some versions of the Middle-earth map the name Swanfleet appears to be an alternative name for the river, but in fact that name apparently refers to the marshes alone.


Foreign Language Translated name
Arabic غلاندوان
Armenian Գլանդոին
Belarusian Cyrillic Гландуін
Bengali গ্ল্যান্ডউইন
Bulgarian Cyrillic Гландуин
Chinese 格蘭督因河
Danish Glanduinfloden
Georgian გლანდუინი
Greek Γλανδοιν
Gujarati ગ્લેન્ડ્યુઇન
Hebrew גלאנדואין
Hindi क्लन्दुइन
Japanese グランドゥイ
Kannada ಗ್ಲಾಂಡ್ವಿನ್
Kazakh Гландұін (Cyrillic) Glanduin (Latin)
Korean 그란 두인
Kyrgyz Cyrillic Гландуин
Laotian ກລະນດຸິນ
Macedonian Cyrillic Гландуин
Marathi ग्लंडुइन
Mongolian Cyrillic Гландуин
Nepalese क्लन्दुइन ?
Persian گلاندوین
Polish Glanduina
Russian Гландуин
Serbian Гландуин (Cyrillic) Glanduin (Latin)
Sinhalese ග්ලඳුඉන්
Tajik Cyrillic Гландуин
Tamil கிளாண்டுய்ந்
Telugu గ్లాండుఇం
Ukrainian Cyrillic Ґландуїн
Urdu گلندوان
Yiddish גלאַנדווין


  1. The Atlas of Middle-earth, Regional Maps, "The Misty Mountains"