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River Taff

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Title: River Taff  
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Subject: Cardiff Waterbus, Pontypridd, Pontcanna, Transport in Cardiff, List of rivers of Wales
Collection: River Taff, Rivers of Cardiff, Rivers of Merthyr Tydfil, Rivers of Rhondda Cynon Taf
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River Taff

River Taff (Afon Taf)
River
The Taff flowing through Llandaff. Llandaff Rowing Club and a large weir lie in the distance
Country Wales
Region South Wales
County Merthyr Tydfil, Rhondda Cynon Taf, Cardiff
Tributaries
 - left Afon Bargoed Taf
 - right Afon Cynon, River Rhondda
Settlements Merthyr Tydfil, Treharris, Pontypridd, Cardiff
Source
 - location Cefn-coed-y-cymmer, Merthyr Tydfil, Wales
Length 64.0 km (40 mi)
Part of the River Taff, running through Cardiff
A weir and footbridge over the River Taff (Cardiff)
Waterfall on the Taff

The River Taff (Welsh: Afon Taf) is a large river in Wales. It rises as two rivers in the Brecon Beacons — the Taf Fechan (Little Taff) and the Taf Fawr (Big Taff) — before joining to form the Taff north of Merthyr Tydfil. The river supports a number of migratory fish, including salmon, sea trout, and eel.

Contents

  • Course 1
    • Diversion in Cardiff 1.1
  • Taf Fawr 2
  • Taf Fechan 3
  • Tributaries 4
    • Nant Ffrwd 4.1
    • Nant Morlais and Nant Rhydycar 4.2
    • Taff Bargoed, Cynon, Nant Clydach and Rhondda 4.3
  • Mouth of the Taff 5
  • Taffy as nickname 6
  • See also 7
  • References 8
  • External links 9

Course

From its confluence at Cefn-coed-y-cymmer, the river flows south, passing several towns. It picks up a few tributaries, such as the River Cynon, River Rhondda, Bargoed Taf and Nant Clydach. It flows through Pontypridd and through to Taff's Well, the site of Wales' only thermal spring. It flows underneath the M4 Motorway, before turning southeastward and flowing through the Cardiff suburbs of Radyr, Whitchurch, Llandaff, Pontcanna, the city centre and Grangetown, before emptying into Cardiff Bay, near to the mouth of the River Ely.

Diversion in Cardiff

In the early 1840s the South Wales Railway was trying to find a suitable site for a railway station, but the area that is now Cardiff Central railway station was prone to flooding. At this point the main route of the Taff was around Cardiff Castle and down what is now Westgate Street, with the lands where Cardiff Arms Park and the Millennium Stadium are now sited tidal flats which were prone to flood.

It was Isambard Kingdom Brunel's solution to divert the Taff to the west, creating a larger and safer site for the station. The station was opened by the South Wales Railway in 1850.[1]

Taf Fawr

The Taf Fawr rises below Corn Du, south-west of Pen y Fan and flows south through Beacons Reservoir, Cantref Reservoir and Llwyn-on Reservoir.

Taf Fechan

The Cefn-coed-y-cymmer, the Taf Fechan and Taf Fawr merge at the wooded confluence that gives Cefn-coed-y-cymmer its name. It is also known locally as Morlais Brook[2]

Pontsticill Water Treatment Works

The river holds a large population of wild Brown Trout, many of which were killed in 2006 when a large quantity of aluminium sulphate was flushed into the river from the Pontsticill Water Treatment Works, which United Utilities operate on behalf of Dwr Cymru/Welsh Water. The pollution turned the water white for at least 5km downstream of the works and killed approximately 23,000 fish, including wild brown trout, bullheads, stickleback and pike, as well as wiping out uncountable numbers of invertebrates. According to the Environment Agency Wales, it is estimated that the river will take between 6 and 12 years to recover, although it is making rapid progress. As of the summer of 2009 the trout population is once again breeding. The river is much revered by fly fisherman and the fishing rights are owned by Merthyr Tydfil Angling Association.

Tributaries

Nant Ffrwd

Underneath Taf Fechan, emerges into the river from a deep, narrow gorge.

Nant Morlais and Nant Rhydycar

The Taff continues south through the centre of Merthyr Tydfil, where it is joined by the Nant Morlais which emerges at Abermorlais from a culvert in the east bank. Just south of Merthyr weir, the Nant Rhydycar joins.

Taff Bargoed, Cynon, Nant Clydach and Rhondda

South of Merthyr, the Taff begins to meander its way between Pentrebach and Abercanaid and through Troedyrhiw, Merthyr Vale and Aberfan towards Quakers Yard. Here, the Taff Bargoed, Nant Mafon and then down into Abercynon in the Cynon Valley where the Afon Cynon merge with the Taff and, slightly further downstream the Nant Clydach joins.[3] At Pontypridd it is joined by the Afon Rhondda. From Pontypridd, it runs roughly south, through Taff's Well and Radyr, before arriving at the northern boundary of the city of Cardiff in Llandaff.

Mouth of the Taff

Frozen River in Dec 2010

In Cardiff, the natural course of the river was changed during the 19th century; from Cardiff Castle it now follows an artificial riverbed west of where it previously flowed, now following a path through Bute Park and next to the Cardiff Arms Park and the former National Stadium, now the Millennium Stadium, and into Cardiff Bay, which has now become an artificial lake due to the construction of a barrage across the mouth of this river and the River Ely. It then flows out into the Severn estuary.

Taffy as nickname

The term "Taffy", used as a nickname for people from the Taff Valley up to and including Cardiff and by extension from anywhere in Wales, is sometimes thought to originate from the name of the river. It may be seen as derogatory. The Oxford English Dictionary, however, states that the origin is "an ascribed Welsh pronunciation of Davy or David, in Welsh Dafydd."[4]

See also

References

  1. ^ "Cardiff Arms Park, A short History - The Creation of the Arms Park". Cardiff Council. Retrieved 2008-05-22. 
  2. ^ Morlais Brook Update - Merthyr Tydfil Angling Association
  3. ^ River Taff Corridor Action Plan April 2007, page 7
  4. ^ "Taffy, n.2". Oxford English Dictionary. Retrieved 2013-04-02. 

External links

  • Glamorgan-Gwent Archaeological Trust Merthyr Tydfil Features

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