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The Thalos as pictured on a map of Ossiriand

Thalos was a river of Ossiriand and the second most northern of the seven rivers of that land between the Ascar and the Legolin.

According to Karen Wynn Fonstad's The Atlas of Middle-earth, it started from the springs of Blue Mountains and was over sixty miles in length.[1]


Thalos is a Sindarin word.[2]


Foreign Language Translated name
Arabic ثالوس
Armenian Տհալոս
Belarusian Cyrillic Тhалос
Bulgarian Cyrillic Тхалос
Cambodian ទហាលោស
Chinese (Hong Kong) 沙羅斯河
Danish Thalosfloden
Georgian თალოსი
Greek Θαλος
Gujarati ઠલોસ
Hebrew טהאלוס
Hindi ठलोस
Japanese サロス
Kannada ಠಲೊಸ್
Kazakh Cyrillic Тһалос
Korean 탈로스
Kyrgyz Cyrillic Тhалос
Macedonian Cyrillic Тхалос
Marathi ठलोस
Mongolian Cyrillic Тhалос
Nepalese ठलोस
Pashto طهالوس ?
Persian تالوس
Punjabi ਠਲੋਸ
Sanskrit ठलोस्
Serbian Тхалос (Cyrillic) Thalos (Latin)
Sinhalese ඨලොස්
Tajik Cyrillic Тҳалос
Tamil ட்ஹலொஸ்
Telugu ఠలొస
Thai ฐะลโซ ?
Ukrainian Cyrillic Тгалос
Urdu تالاوس
Uzbek Тҳалос (Cyrillic) Thalos (Latin)
Yiddish טהאַלאָס


  1. The Atlas of Middle-earth, The First Age, The Elder Days, "Beleriand and the Lands to the North"
  2. The Complete Guide to Middle-earth