Dee

Dee
River Dee (Ireland)
River Dee, Aberdeenshire
River Dee, Cumbria
River Dee, Wales

And following Dee, which Britons long ygone / Did call divine, that doth by Chester tend; […]

1596, Edmund Spenser, “Book IV, Canto XI”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie, →OCLC, stanza 39:

A river in Wales and England that flows about 113 km (70 mi) from Snowdonia to the Irish Sea near Liverpool.


Neath

Neath Port Talbot
Neath Port Talbot#English

A river in Neath Port Talbot county borough, which flows into Baglan Bay.


Taff

* As an Irish and Welsh surname, variant of Taaffe.
* The river is from Welsh Taf

Rhondda Cynon Taf
Rhondda Cynon Taf#English

A river in southern Wales, flowing through Merthyr Tydfil county borough, Rhondda Cynon Taf county borough, and the city of Cardiff to Cardiff Bay.


Severn

From Middle English Severne, from Old English Sæfern, ultimately from Proto-Celtic *Sabrinā (compare Welsh Hafren), perhaps from *samaros (“summer fallow”). Doublet of Sabrina.

There twice a day the Severn fills,
The salt sea-water passes by,
And hushes half the babbling Wye,
And makes a silence in the hills.

1850, [Alfred, Lord Tennyson], In Memoriam, London: Edward Moxon, […], →OCLC, Canto XIX, page 32:

A river of England and Wales that flows into the Bristol Channel.

A number of other rivers in Australia, New Zealand and the United States.

census-designated place
census-designated place

Anne Arundel County
Anne Arundel County#English

A census-designated place in Anne Arundel County, Maryland, United States.

Northampton County
Northampton County#English

A small town in Northampton County, North Carolina, United States.


Amman

A river in Carmarthenshire and Neath Port Talbot county borough, Wales, which joins the River Loughor at Pantyffynnon.


Conwy

A river in Conwy county borough, Wales; ellipsis of River Conwy; formerly called the River Conway.


Tawe

A river in southern Wales that meets the sea at Swansea.


Senni

A short river in Powys, Wales, which joins the River Usk at Sennybridge.


Monnow

A river flowing through Herefordshire and Monmouthshire, United Kingdom, which joins the River Wye at Monmouth.


Wye

From Brythonic; compare Welsh Gwy. Lye and Bosworth instead suggest Old English wæg (“wave”).

A river in Wales and England, including Powys, Herefordshire, Monmouthshire and Gloucestershire, the fifth-longest in the UK.


Lugg

A river originating in Powys, Wales, which enters Herefordshire, England, and joins the River Wye at Mordiford, Herefordshire.


Rhondda

A river in Rhondda Cynon Taf county borough, South Wales with two main tributaries, Rhondda Fawr and Rhondda Fach.


Ely

Inherited from Middle English Ely, from Old English Ēlīg, of uncertain origin.

Vale of Glamorgan
Vale of Glamorgan#English

A river in Rhondda Cynon Taf county borough, Vale of Glamorgan county borough and Cardiff, Wales, which flows into the Severn Estuary.


Gwy

Unknown; first attested as Old Welsh Guoy. The element -wy is found in other river names such as Monnow, Medway, and Conwy. A borrowing from a Pre-Celtic substrate language cannot be ruled out, as gwy does not match any obvious nouns in Welsh.


Arrow

A river in Powys, Wales and Herefordshire, England, which flows into the River Lugg.


Teme

From the same base of many other rivers in England; see the cognates listed at Thames.

A river which rises in Powys, Wales, before entering England, flowing through Shropshire, Herefordshire, for a short distance, and Worcestershire, and joining the River Severn south of Worcester.


Dulas

A river in Gwynedd and Powys, which joins the Dovey/Dyfi at Machynlleth on its north side; also known as the North Dulas.

A river in Powys, which also joins the Dovey/Dyfi at Machynlleth, but on its south side; also known as the South Dulas.


Nedd

English: Neath

Neath (a river in Neath Port Talbot county borough)


Teifi

After running through the meadows for about a mile, the train enters the County of Cardigan, and follows the south bank of the Teifi to Cardigan Station.

1952 July, J. F. Burrell, “The Cardigan Branch”, in Railway Magazine, page 485:

The White Hart, overlooking the bridge, has a bar named after the coracles that may still be seen on this part of the Teifi.

1980, AA Book of British Villages, Drive Publications Ltd, page 110:

A river in Wales that forms the boundary between Carmarthenshire and Ceredigion, and also with Pembrokeshire for a short distance.


Teifi

Of Brythonic origin, probably from the same root as Tafwys and possibly also Thames. Also compare the names Tamar, Tavy, Towy, Teviot, Tweed, Taw, Tiverton.

A river that forms the boundary between Ceredigion and Carmarthenshire


Usk

From Middle Welsh Wÿsk (modern Welsh Wysg), from Proto-Brythonic *Uɨsk, a river name perhaps originally meaning "abundant in fish". Cognate with the river names Esk, Exe, and Axe.

A river in Powys and Monmouthshire, Wales, that empties into the Severn at Newport.


Clun

A river, the Afon Clun in Rhondda Cynon Taf county borough, Wales, which joins the Ely River.


Hafren

From Old Welsh Habren, from Proto-Brythonic *Haβren, from Proto-Celtic *Sabrinā. Compare Irish Sabhrainn.


Dyfrdwy

Of Brythonic origin. Equivalent to dwfr (“water”) + dwyw (“god”).


Dovey

A river in Wales, flowing about 37 km from Aran Fawddwy to Aberdyfi.


Vyrnwy

A river in Powys, Wales, and Shropshire, England, flowing about 40 miles from Lake Vyrnwy in Powys before joining the Severn near Melverley in Shropshire.


Efyrnwy

Vyrnwy (a river in Powys, Wales and Shropshire, England)


Wysg

From Middle Welsh Wÿsk, from Proto-Brythonic *Uɨsk, from Proto-Celtic *ɸeiskos (“fish”); cognate with Irish iasc (“fish”).


Ogmore

A river in Bridgend county borough, southern Wales, which flows into the Bristol Channel at Ogmore-by-Sea.


Ogwr

Ogmore (a river in Bridgend county borough)


Loughor

A river in Carmarthenshire, and the city and county of Swansea, southern Wales.


Llwchwr

→ English: Loughor, Llwchwr

Loughor (a river in Carmarthenshire, and the city and county of Swansea, southern Wales).


Taf

It only remains to notice briefly the branch from Whitland to Cardigan, which for a few miles pursues its tortuous and picturesque course along the valley of the Taf, thence rising by very severe gradients to Crymmych Arms, near to which station is a striking horse-shoe curve.

1939 Septenber, T. R. Perkins, “The G.W.R in West Wales”, in Railway Magazine, page 202:

Rhydowen, the next station, 10¼ miles from Whitland, has a goods loop and only a wooden building. The Taf is crossed beyond the station, and the railway passes from Carmarthenshire into Pembrokeshire, but the river is recrossed before Llanfyrnach is reached.

1952 July, J. F. Burrell, “The Cardigan Branch”, in Railway Magazine, page 483:

A river in Pembrokeshire and Carmarthenshire, West Wales, which flows into Carmarthen Bay.


Taf

Likely from the same Celtic source of the rivers Tafwys, Teifi, Dyfi, Tawe, from a root meaning "dark" or "water." Also see Thames.


Rhymney

A river, the Rhymney River in Caerphilly county borough, which has its source near the town and which flows through the Rhymney Valley to the Bristol Channel at Cardiff.


Ebbw

A river in South Wales which runs into the Severn Estuary at the same place as the River Usk.


Mawddach

A river with a large estuary in Gwynedd, Wales.


Thaw

A river in South Wales which flows into the Bristol Channel at Aberthaw.


Afan

A river in Neath Port Talbot county borough, Wales, which flows into Swansea Bay at Aberavon.


Cynon

A river in the Cynon Valley, Rhondda Cynon Taf county borough, Wales, which joins the River Taff at Abercynon.


Carno

A river in Powys, which flows past the village and joins the Severn at Caersws.


Dwyryd

A river in Gwynedd, Wales, which flows into Tremadog Bay.


Llynfi

A river in Bridgend county borough, Wales, which joins the River Ogmore at Aberkenfig.

A river, the Afon Llynfi in Powys, Wales, which joins the River Wye at Glasbury (OS grid ref SO13).


Garw

From Welsh garw and Afon Garw (River Garw).

A river in Bridgend county borough, Wales, which joins the River Ogmore.


Dulais

A river in Neath Port Talbot county borough, Wales, which joins the River Neath at Aberdulais.

A minor river in the city and county of Swansea, Wales, which joins the River Loughor at Pontarddulais.


Gwili

A river in Carmarthenshire, Wales, which joins the River Tywi at Abergwili.

A river, the Afon Gwili in east Carmarthenshire, which joins the River Loughor at Hendy.


Tywi

A river in Wales with its headwaters in Ceredigion and Powys, before passing through Carmarthenshire and flowing into Carmarthen Bay.


Clydach

A short river in Monmouthshire, which joins the River Usk.

A river in Neath Port Talbot county borough, which joins the River Neath.


Clydach

From a Proto-Celtic root meaning "flow strongly".

Clydach (a short river in Monmouthshire, which joins the River Usk).

Clydach (a river in Neath Port Talbot county borough, Wales, which joins the River Neath).


Ceiriog

A river in the Ceiriog Valley, Wrexham county borough, and also in Shropshire, where it forms the border between England and Wales before joining the River Dee.


Banwy

A river in Powys, Wales, which joins the River Vyrnwy at Newbridge.


Glaslyn

Afon Glaslyn
Glaslyn
Glaslyn, Saskatchewan

A river in Gwynedd, Afon Glaslyn, which flows from the above lake to the estuary at Porthmadog.


Aeron

A river in Ceredigion, Wales, which flows into Cardigan Bay at Aberaeron.


Ogwen

From Welsh, og (“land”) + banw (“piglet”).

A river, lake and valley in Gwynedd, Wales.


Tanat

A river in northern Powys, Wales, which joins the River Vyrnwy in Shropshire, England.


Rheidol

Afon Rheidol, a river in Ceredigion, Wales, which flows into Cardigan Bay at Aberystwyth.


Gavenny

A short minor river in Monmouthshire, Wales, which joins the River Usk at Abergavenny.


Trothy

A river in Monmouthshire, Wales, a tributary of the River Wye.


Soch

The Afon Soch, a short river on the Lleyn Peninsula in Gwynedd, Wales, which reaches the sea at Abersoch.


Hlude

the Teme, A river which rises in Powys, Wales, before entering England, flowing through Shropshire, Herefordshire, for a short distance, and Worcestershire


Rhiw

A river in northern Powys, Wales, that joins the Severn near Berriew.


Llugwy

Near by, where the crystal clear River Llugwy is crossed by a bridge, stands a small and ancient church built of massive, irregular boulders.

1980, AA Book of British Villages, Drive Publications Ltd, page 100:

A river in Conwy county borough, Wales, a tributary of the River Conwy.


Ewenny

The Ewenny River, a river in Bridgend county borough and Vale of Glamorgan county borough, a tributary of the River Ogmore.