The B4558 road is a road in
Powys
Powys (; ) is a county and preserved county in Wales. It is named after the Kingdom of Powys which was a Welsh successor state, petty kingdom and principality that emerged during the Middle Ages following the end of Roman rule in Britain.
Geog ...
, central Wales, with a total length of . It begins at a junction with the
A4077 road across the
Usk bridge from
Crickhowell
Crickhowell (; cy, Crucywel , non-standard spelling ') is a town and community in southeastern Powys, Wales, near Abergavenny, and is in the historic county of Brecknockshire.
Location
The town lies on the River Usk, on the southern edge ...
and runs northwest up the southern side of the
Usk valley to a junction with the
A40 road
A4 most often refers to:
*A4 paper, a paper size defined by the ISO 216 standard, measuring 210 × 297 mm
A4 and variants may also refer to:
Science and mathematics
* British NVC community A4 (''Hydrocharis morsus-ranae - Stratiotes aloide ...
3.5 km east of
Brecon
Brecon (; cy, Aberhonddu; ), archaically known as Brecknock, is a market town in Powys, mid Wales. In 1841, it had a population of 5,701. The population in 2001 was 7,901, increasing to 8,250 at the 2011 census. Historically it was the coun ...
. En route from Crickhowell it passes through the villages of
Llangynidr
Llangynidr is a village, community and electoral ward in Powys, Wales, about west of Crickhowell and south-east of Brecon. The River Usk flows through the village as does the Monmouthshire and Brecon Canal. It is in the historic county of B ...
,
Talybont-on-Usk
Talybont-on-Usk ( cy, Tal-y-bont ar Wysg) is a village and community in Powys, Wales, in the historic county of Brecknockshire. It lies on both the Caerfanell river and the Monmouthshire and Brecon Canal, about from the River Usk. In 2001 ...
, and
Pencelli. It is closely followed over this section by the
Monmouthshire and Brecon Canal
The Monmouthshire and Brecon Canal ( cy, Camlas Sir Fynwy a Brycheiniog) is a small network of canals in South Wales. For most of its currently (2018) navigable length it runs through the Brecon Beacons National Park, and its present rural ch ...
which it crosses six times. River crossings include those of the
Nant Cleisfer and
Afon Crawnon at Llangynidr, the
Caerfanell at Talybont and the
Nant Menasgin between Pencelli and
Llanfrynach
Llanfrynach is a village and community in the county of Powys, Wales, and the historic county of Brecknockshire. The population of the community as taken at the 2011 census was 571. It lies just to the southeast of Brecon in the Brecon Beacons N ...
. It crosses the Usk itself by the historic Lock Bridge just south of the village of
Groesffordd, east of Brecon.
References
{{DEFAULTSORT:4-4558
Roads in Wales
Transport in Powys