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Sir Ddinbych
Location Map ( geo)
Cameraicon.png View gallery (4)
Primary Destinations
Llangollen • Ruthin • Wrexham
Other Important Destinations
Abergele • Denbigh
Current Highway Authorities
Conwy • Denbighshire • Powys • Wrexham
Caernarfonshire • Cheshire • Flintshire • Merionethshire • Montgomeryshire • Shropshire
Welsh Government Roads
A5 • A55 • A470 • A483 • A494
This article is about the County.
For the Highway Authority, see Denbighshire Council

Denbighshire (Sir Ddinbych in Welsh) is a traditional county in North Wales. The county council was abolished in 1974 and the county was split between Gwynedd and Clwyd. A further local government reorganisation in 1995 reinstated Denbighshire County Council albeit under significantly different borders and so the county is now split between a number of different administrative areas.

Geography & Economy

A542 Horseshoe Pass

Denbighshire is vaguely in a Q-shape, with a narrow central section hemmed in between Merionethshire and Flintshire. The north of the county borders the Irish Sea, the west the River Conwy and part of the east the River Dee, after which the river cuts across the southern section of the county; other borders are in the hills with the county entering Snowdonia, the Clwydian Range and the Berwyn Mountains. Farming was the major industry with the exception of the Wrexham area which was industrial. The coal mines have now closed, although Wrexham is still known for breweries, and so Denbighshire's main source of income is now tourism. Colwyn Bay is an important seaside resort (although somewhat overshadowed by nearby Llandudno and Rhyl in neighbouring counties). Llangollen is world-famous for the annual International Musical Eisteddfod. The Llangollen Canal heads east from the town into England, crossing the River Dee on Telford's Pontcysyllte Aqueduct.


A55 near Colwyn Bay

The winding county border means Denbighshire's roads automatically somewhat dispersed. Denbigh and Wrexham are focuses in their own areas but the county has no obvious road network; often the direct route between two places in the county takes drivers through another county. There are few roads at all in the mountains of the south and southwest whilst the main north-south routes, the A470 and A525 both follow river valleys, although only the former is trunk. The North and Mid Wales Trunk Road Agent maintains five trunk roads, although none of these roads are in Denbighshire for very long. The A55 follows the coast whilst the A470 runs along the west of the county; the A483, the east; and the A494, the short middle section of the county. The A5 enters the south of the county twice, passing through Corwen in Merionethshire in between. Most non-trunk roads in Denbighshire are maintained by Conwy CBC in the west and north, Denbighshire County Council in the centre, Powys County Council in the south and Wrexham CBC in the east.

Route From To Length


A5 London Holyhead 252 miles View
A55 Holyhead Chester 88 miles View
A470 Cardiff Llandudno 185.1 miles View
A483 Earlswood Chester 153.6 miles View
A494 Dolgellau Mollington 61.7 miles View
A525 Newcastle under Lyme Rhyl 73 miles View
A528 Marchwiel Shrewsbury 26.0 miles View
A534 Wrexham West Heath, Congleton 37.3 miles View
A539 Llangollen Eglwys Cross (W) 18.0 miles View
A541 Trefnant Wrexham 26.0 miles View
A542 Llangollen Pen-y-stryt 8.0 miles View
A543 Pentrefoelas Bodfari 18.8 miles View
A544 Bylchau Llanfair Talhaiarn 8.0 miles View
A544 Waterloo Bridge, Betws-y-Coed Llandudno 19.4 miles View
A547 Conwy Prestatyn 24.0 miles View
A548 Llanrwst Chester 53.0 miles View
A5104 Corwen Chester 26.7 miles View
A5110 Conwy Tal-y-Cafn 4.5 miles View
A5152 Croesfoel interchange Gresford interchange 5.0 miles View
A5156 Gresford Interchange Llan-y-pwll 1.6 miles View   
B4396 Abertridwr Knockin Heath 21.9 miles View
B4406 Conwy Falls Penmachno 2.4 miles View
B4500 Chirk Llanarmon Dyffryn Ceiriog 10.9 miles View
B4501 Fron-goch Denbigh 24.3 miles View
B4579 Glyn Ceiriog Oswestry eastern bypass 10.5 miles View
B4580 Oswestry By Pass Rhos-y-brithdir 16.2 miles View
B5070 Bryn-er-Eos St Martin's Moor 3.7 miles View
B5096 Rhosymedre Acrefair 1.0 mile View
B5097 Ruabon Rhostyllen 5.8 miles View
B5098 Rhostyllen Lower Berse 1.6 miles View
B5099 Bersham Wrexham 1.2 miles View
B5100 Rhosnesni Hightown 1.56 miles View
B5101 Rhosddu, Wrexham Treuddyn 7.8 miles View
B5102 Minera Holt 12.1 miles View
B5103 Berwyn Pentrefelin 0.6 miles View
B5104 Clawdd Poncen Broughton 22.0 miles View
B5104 Conway Road Conway Road 22.0 miles View
B5105 Cerrigydrudion Ruthin 13.6 miles View
B5106 Conwy Betws-y-coed 15.1 miles View
B5113 Colwyn Bay Pentrefoelas 22.2 miles View
B5114 (Ruthin) Well Street Castle Street 2.3 miles View
B5115 Colwyn Bay Tywyn, Llandudno 6.4 miles View
B5116 Llandrillo-yn-Rhôs Rhôs-on-Sea 0.41 miles View
B5130 Chester Cock Bank 15.7 miles View
B5279 Tal-y-cafn Ty'n-y-groes 0.9 miles View
B5372 Mwrog Street Corwen Road 0.8 miles View
B5373 Gresford Hope 3.7 miles View
B5381 Llandudno Junction Trefnant 18.2 miles View
B5382 Llangernyw Denbigh 13.5 miles View
B5383 Old Colwyn Dolwen 2.9 miles View
B5383 St Asaph Trefnant 2.3 miles View
B5384 Pandy Tudur Llansannan 7.4 miles View
B5384 Bylchau Llanfair Talhaiarn 8.0 miles View
B5425 Llay Wrexham 3.5 miles View
B5426 Bangor on Dee Minera 11.1 miles View
B5427 Llanrwst Nebo 3.1 miles View
B5428 Groes Trefnant 5.0 miles View
B5429 Rhuddlan Pandy'r Capel 24.9 miles View
B5430 Southsea Ffynnon-y-berth 10.4 miles View
B5431 Nant-y-Garth Pass Llanarmon-yn-Iâl 3.5 miles View
B5433 Brymbo Caego 2.4 miles View
B5434 Trevor Froncysyllte 1.1 miles View
B5435 Bylchau(E) Groesffordd Nant-y-cî 2.8 miles View
B5443 Llanddulas Abergele 2.7 miles View
B5445 Gresford Belgrave 6.5 miles View
B5446 Bridge Street Salop Road 0.21 miles View
B5605 Pentre Rhostyllen 6.4 miles View     
T11 London Holyhead View
T18 Swansea Manchester View
T19 Chester Bangor View
T84 Dolgellau South of Birkenhead View
T85 Maentwrog East of Conwy View


Primary Route
Non Primary Route
Former Motorway
Defunct Route
E Road
Future Motorway
Future Primary
Future Non Primary
Historical Route
Tourist Route
Roman Road
Unbuilt Motorway
Unbuilt Primary
Unbuilt Non Primary
National Cycle Network
Cycle Route
Eurovelo Cycle Route


Main Article: Junctions in Denbighshire

Bridges, Tunnels, and other Crossings

Main Article: Crossings in Denbighshire

A5 • A55 • A470 • A483 • A494 • A525 • A528 • A534 • A539 • A541 • A542 • A543 • A544 • A544 (Betws-y-Coed - Llandudno) • A547 • A548 • A5104 • A5110 • A5152 (Wrexham) • A5156 • B4396 • B4406 • B4500 • B4501 • B4579 • B4580 • B5070 • B5096 • B5097 • B5098 • B5099 • B5100 • B5101 • B5102 • B5103 • B5104 • B5104 (Colwyn Bay) • B5105 • B5106 • B5113 • B5114 (Ruthin) • B5115 • B5116 • B5130 • B5279 • B5372 • B5373 • B5381 • B5382 • B5383 • B5383 (St Asaph) • B5384 • B5384 (Bylchau – Llanfair Talhaiarn) • B5425 • B5426 • B5427 • B5428 • B5429 • B5430 • B5431 • B5433 • B5434 • B5435 • B5443 • B5445 • B5446 • B5605 • E22 • E34 (Old System) • Ffordd Cambria • Ffordd Gogledd Cymru • Flintshire Leisure Tour • Holyhead Road • Maelor Tour • T11 (Britain) • T18 (Britain) • T19 (Britain) • T84 (Britain) • T85 (Britain)
Abergele • Denbigh • Llangollen • Prestatyn • Rhyl • Ruthin • Wrexham
Related Pictures
View gallery (4)
Steam Train passing Level Crossing (C) PAUL FARMER - Geograph - 1241167.jpgBack down the Pass - Geograph - 4335009.jpgA55 Expressway - Geograph - 775471.jpg20220424 171201 - Pwllycrochan Avenue tree 53.29261N 3.73764W.jpg
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