View source for River Dulas, Dovey north bank

{{county|Merioneth}}
[[File:Afon Dulas near Corris - geograph.org.uk - 1180798.jpg|thumb|The Dulas near Corris]]
The '''River Dulas''' (also referred to as the ''North Dulas'') is a river forming the border between [[Merionethshire]] and [[Montgomeryshire]].

==Route==
It rises from a source in the hills above [[Aberllefenni]] and passes through [[Corris]], [[Esgairgeiliog]] and [[Pantperthog]] before joining the [[River Dovey]] at Ffridd Gate near [[Machynlleth]]. Another river also called the [[River Dulas, Dovey south bank|Dulas]] joins the Dovey from the south, upstream of its confluence with the North Dulas.

==Roads and Railways in the Dulas valley==
* The A487 trunk road follows the valley from Ffridd Gate to Corris 
* The [[Roman road]] [[Sarn Helen]] probably followed the valley from Aberllefenni to Ffridd Gate
* The Corris Railway ran through the valley from Aberllefenni to Ffridd Gate  

==Tributaries==
* Nant Ralltgoed (also known as Nant Ceiswyn)
* Afon Llefenni
* Afon Deri (formerly known as Afon Corris)
* Nant y Goedwig
* Afon Glesyrch
* Nant y Cadian
* Nant y Darren

==Outside links==
*Location map: {{wmap|52.6001|-3.8418|zoom=14}}

[[Category:Rivers of Merionethshire|Dulas]]
[[Category:Rivers of Montgomeryshire|Dulas]]