Afon Dulas

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The Dulas as it passes through Aberllefenni Dulas Aberllefenni.jpg
The Dulas as it passes through Aberllefenni

The Afon Dulas, or North Dulas, is a river forming the border between Merionethshire/Gwynedd and Montgomeryshire/Powys in Wales. Another river called Afon Dulas joins the Dyfi from the south, upstream of its confluence with the North Dulas: locally this is referred to as the South Dulas.

Contents

Route of North Dulas

Afon Dulas rises from a source in the hills above Aberllefenni and passes through Corris, Esgairgeiliog and Pantperthog before joining the Afon Dyfi at Ffridd Gate near Machynlleth. [1]

History

The Dulas is recorded as an important land boundary in 1200, in a document written in 1428. This document describes the land owned by Einion ap Seisyllt, in the time of Llywelyn the Great, as "tota terra inter aquas de Dyfi et Delwas" (Latin, meaning: all the land between the rivers Dyfi and Dulas). [2]

Roads and railways in the Dulas valley

Tributaries

South Dulas

It rises in Glaslyn, below the slopes of Foel Fadian, and passes the hamlet of Forge and Plas Dolguog before joining the Dyfi.

Close to its confluence with the Dyfi it is crossed by the Cambrian rail line on a bridge known as the Black Bridge. After the line had been repeatedly closed due to flooding after heavy rain, in 2021 it was announced that the bridge and its approaches were to be raised by a metre to try and alleviate the problem. [5] Work began on 15 May and was due to be completed by 28 June.

Tributaries

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The Nant Ceiswyn is a small river in Mid Wales. It flows from the northern flank of Mynydd Dolgoed down to Pont Cymerau, north-east of Aberllefenni. Here it joins the Nant Llwydiarth to form the Afon Dulas that flows south to the Afon Dyfi. There was an ancient bridge at Pont Cymerau.

<span class="mw-page-title-main">Nant Llwydiarth</span> River in Wales

The Nant Llwydiarth is a small river in Mid Wales. It flows from the southern flank of Mynydd Hendre-ddu down to Pont Cymerau, north-east of Aberllefenni. Here it joins the Nant Ceiswyn to form the Afon Dulas that flows south to the Afon Dyfi. There was an ancient bridge at Pont Cymerau.

<span class="mw-page-title-main">Mynydd Hendre-ddu</span>

Mynydd Hendre-ddu or Mynydd Hendreddu is a mountain in southern Snowdonia, Wales. It is one of a line of mountains running from Mynydd Dolgoed in the north, through Mynydd Llwydiarth to Mynydd Hendre-ddu and on to Mynydd y Foel, Y Grug, Mynydd Tri-Arglwyd and Mynydd Gwyn to the south of the village of Aberangell. It forms the watershed between Nant Llwydiarth, which flows to the south-west and into the Afon Dulas, and streams flowing into Afon Angell to the north, which flow east into the River Dyfi.

<span class="mw-page-title-main">Cwm Hengae</span>

Cwm Hengae is a valley that runs roughly north-west from the village of Aberllefenni in Wales. The Afon Llefenni river runs along the valley and several slate quarries occupy the valley sides. The Roman road Sarn Helen ran along the valley, connecting Aberllefenni with Dolgellau.

References

  1. W. T. Pratt; D. G. Woodhall; Malcolm Fletcher Howells; M. J. Leng (1995). Geology of the Country Around Cadair Idris. H.M. Stationery Office. ISBN   978-0-11-884509-0 via books.google.com.
  2. Owen, George (1892). "The Description of Pembrokshire". Cymmrodorion record series. London: Society of Cymmrodorion. 1: 221.
  3. 1 2 Cylchgrawn Cymdeithas Hanes a Chofnodion Sir Feirionydd. The Society. 1957 via books.google.com.
  4. Edwyn Jervoise; Society for the Protection of Ancient Buildings (London, England) (1936). The ancient bridges of Wales and western England. The Architectural press via books.google.com.
  5. "Network Rail to improve flood delays by £3.6m bridge lift". Rail Technology Magazine. Retrieved 12 July 2021.

52°36′00″N3°50′30″W / 52.6001°N 3.8418°W / 52.6001; -3.8418