Afon Fathew

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Afon Fathew
River
The Afon Fathew valley - geograph.org.uk - 1415156.jpg
View of the Afon Fathew valley
Country Wales
Region Gwynedd
Source
 - location Gwynedd
Mouth
 - location River Dysynni

The Afon Fathew (English: River Mathew/Fathew) is a river in Gwynedd, north-west Wales. The river is downstream from the Dolgoch Falls which is a popular nature site, and is followed for much of its course by the Talyllyn Railway.

Name[edit]

The name of the river in Welsh is Mathew, presumably in origin the personal name Matthew. Due to the rule of consonant mutation, Mathew becomes Fathew following the feminine noun afon ('river'). Likewise, the feminine noun pont ('bridge') gives rise to the name of the hamlet Pontfathew, now considered to be a part of the village of Bryn-crug. In English, the Welsh name Afon Fathew is commonly used, and River Mathew less so. The form River Fathew is also quite common, although it is difficult to justify on a linguistic basis.[1]

Course[edit]

The Afon Fathew is a short river and flows in a southwesterly direction from near Dolgoch railway station, joining the River Dysynni to the east of Tywyn near Bryncrug. The Talyllyn Railway runs beside the Afon Fathew for much of its course.[2] The Dolgoch Falls are a series of three waterfalls on the Nant Dol-gôch stream, which is a tributary of the Afon Fathew, and are a popular destination for walkers from Dolgoch station.[3]

The river valley is interesting geologically because it exhibits river capture. Above Dolgoch, the valley is occupied by the River Dysynni. During a glacial period, the valley was blocked by a major landslide at Abergynolwyn, the scar from which can still be seen on the side of the valley. The River Dysynni was thus forced to adopt a new course, and pushed its way through the hills northwestwards to find a new channel in the parallel valley to the north. The River Fathew is made up of the lower tributaries of the former Dysynni which continue to flow down a valley which is disproportionately large relative to the volume of water that flows through it.[4]

References[edit]

  1. ^ Morgan, Thomas (1912). The place-names of Wales. 
  2. ^ "Sheet 127 Aberystwyth". One inch map. Ordnance Survey. 
  3. ^ "Things to Do". Talyllyn Railway. Retrieved 26 April 2016. 
  4. ^ Stephens, Nicholas (1990). Natural Landscapes of Britain from the Air. CUP Archive. pp. 64–65. ISBN 978-0-521-32390-1. 


Coordinates: 52°36′37″N 4°04′19″W / 52.6104°N 4.072°W / 52.6104; -4.072