The Encyclopedia of Arda - an interactive guide to the world of J.R.R. Tolkien
Destroyed at the end of the First Age
At the confluence of the rivers Sirion and Narog, some fifty miles north of the Mouths of Sirion
'Valley1 of the willows'
Other names


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  • Updated 2 January 2014
  • Updates planned: 1


The valley of willows

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A name for the watery willow-forest that grew up in central Beleriand where the River Narog met the Sirion. It is more commonly known as Nan-tathren, or sometimes as Nan-tasarion. All these names have the same meaning; 'valley of the willows'.



'Valley' is the usual translation of nan, but it actually has a narrower sense, referring (especially in this context) to a wide, shallow river-valley (as opposed to an imlad, a steep-sided narrow valley). The nan in the name Tasarinan (and its other names Nan-tasarion and Nan-tathren) therefore refers to the relatively flat region or land around the confluence of Narog and Sirion. For that reason, the usual English formulation is 'Land of Willows', though 'land' does not quite capture the more specific implications of the Elvish word nan.

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