Trallwn is the name of the ward and district within the town of Pontypridd

Pontypridd

Pontypridd is both a community and a principal town of Rhondda Cynon Taf, Wales and is situated 12 miles/19 km north of the Welsh capital city of Cardiff...

, Rhondda Cynon Taf, South Wales

South Wales

South Wales is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. The most densely populated region in the south-west of the United Kingdom, it is home to around 2.1 million people and includes the capital city of...

, sited along the banks of the River Taff

River Taff

The River Taff is a large river in Wales. It rises as two rivers in the Brecon Beacons — the Taf Fechan and the Taf Fawr — before joining to form the Taff north of Merthyr Tydfil...

 (Afon Taf) and falling within the historic parish of Eglwysilan. Trallwn comprises the subdistricts of Coedpenmaen (Coed-Pen-Maen), Ynysangharad and Pontypridd Common. Until recently Trallwn was also home to the famous Brown Lenox (Newbridge) Chain & Anchor Works at Ynysangharad, which was recently demolished. Also at Ynysangharad are some of the last remains of the Glamorganshire Canal

Glamorganshire Canal

The Glamorganshire Canal was a canal in south Wales, UK, running from Merthyr Tydfil to Cardiff. Construction started in 1790, and the 25 miles of canal was fully opened by 1794. Its primary purpose was to enable the Merthyr iron industries to transport their goods, and it later served the coal...

 which was used to transport coal and iron from the South Wales Valleys

South Wales Valleys

The South Wales Valleys are a number of industrialised valleys in South Wales, stretching from eastern Carmarthenshire in the west to western Monmouthshire in the east and from the Heads of the Valleys in the north to the lower-lying, pastoral country of the Vale of Glamorgan and the coastal plain...

 to the city of Cardiff

Cardiff

Cardiff is the capital, largest city and most populous county of Wales and the 10th largest city in the United Kingdom. The city is Wales' chief commercial centre, the base for most national cultural and sporting institutions, the Welsh national media, and the seat of the National Assembly for...

. In addition Ynysangharad is also home to Pontypridd's War Memorial Park - Ynysangharad Park (or known coloquially simply as 'Ponty Park').
As with other communities along the route of the former Glamorganshire Canal (e.g. Abercynon

Abercynon

Abercynon is a small village in the Cynon Valley in Mid Glamorgan, Wales. The unitary authority is now known as Rhondda Cynon Taff. It is composed of the village of Abercynon itself,Carnetown,Glancynon,Park View and Pontcynon. However, in recent years the sign to show motorists they are entering...

, Cilfynydd

Cilfynydd

Cilfynydd is a village in South Wales a mile from the South Wales Valleys town of Pontypridd, and 13 miles north of the capital city Cardiff.- History :...

, Pontsionnorton

Pontsionnorton

Pontsionnorton , Welsh for Norton's Bridge, is so named because of the famous structure which bridged the River Taff at this point. The village/district falls within the electoral ward of Cilfynydd of the larger town and community of Pontypridd, Rhondda Cynon Taf, South Wales, and overlooks the...

, Glyntaff

Glyntaff

Glyntaff is a small village to the south-east of Pontypridd, in the County Borough of Rhondda Cynon Taf, Wales situated in the Treforest ward along with the village of Trefforest.-Education:...

, Rhydyfelin, Hawthorn, Upper Boat

Upper Boat

Upper Boat is a village on the southernmost outskirts of the town of Pontypridd, within the electoral ward of Hawthorn, Rhondda Cynon Taf, Wales, and comprises part of the Treforest Industrial Estate. Historically it fell within the parish of Eglwysilan, Mid Glamorgan...

, Nantgarw

Nantgarw

Nantgarw is a village in the county borough of Rhondda Cynon Taf, Wales, near Cardiff.From an electoral and administrative perspective Nantgarw falls within the ward of Taffs Well, a village some 2.5 miles south, but historically fell within the boundaries of Caerphilly, which is a major town...

 etc.), Trallwn owes at least some of its initial fortunes to the iron industries of Merthyr Tydfil

Merthyr Tydfil

Merthyr Tydfil is a town in Wales, with a population of about 30,000. Although once the largest town in Wales, it is now ranked as the 15th largest urban area in Wales. It also gives its name to a county borough, which has a population of around 55,000. It is located in the historic county of...

 served by the canal, later to be fuelled by the exploitation of coal in the Rhondda

Rhondda

Rhondda , or the Rhondda Valley , is a former coal mining valley in Wales, formerly a local government district, consisting of 16 communities built around the River Rhondda. The valley is made up of two valleys, the larger Rhondda Fawr valley and the smaller Rhondda Fach valley...

 and Cynon

Cynon Valley

The Cynon Valley , is a famous former coal mining valley within the South Wales Valleys of Wales. The Cynon Valley lies between the other mining Valley of Rhondda and the iron industrial Valley of the Merthyr Valley. Its main towns are Aberdare located North of the Valley and Mountain Ash located...

 valleys including the sinking of several nearby collieries (e.g. the Albion Colliery

Albion Colliery

Albion Colliery was a coal mine in South Wales Valleys, located in the village of Cilfynydd, one mile north of Pontypridd.-Development:The Albion Steam Coal Co. began sinking in 1884 at Ynyscaedudwg Farm...

at Cilfynydd) and the need to house the rapidly expanding population of Pontypridd.