The A4109 road, known as the Inter Valley Road,Highways Asset Management Plan 2023-26
npt.gov.uk page 44 links

Aberdulais Aberdulais is a village and electoral ward in Neath Port Talbot, Wales, lying on the River Neath, in the community of Blaenhonddan. The village grew around the Aberdulais Falls, the site of successive industries and now a hydro-electric statio ...

with

Glynneath Glynneath ( ; also spelt ''Glyn-neath'' and ''Glyn Neath'') is a town, community and electoral ward lying on the River Neath in the county borough of Neath Port Talbot, Wales. It was formerly in the historic county of Glamorgan. Glynneath ward ...

Neath Port Talbot Neath Port Talbot () is a Principal areas of Wales, county borough in the South West Wales, south-west of Wales. Its principal towns are Neath, Port Talbot, Briton Ferry and Pontardawe. The county borough borders Bridgend County Borough and Rhon ...

county borough,

Wales Wales ( ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by the Irish Sea to the north and west, England to the England–Wales border, east, the Bristol Channel to the south, and the Celtic ...

. The route begins in

at the junction with the A4230 and

A465 road The A465 is a Trunk roads in Wales, trunk road that runs from Bromyard in Herefordshire, England to Llandarcy near Swansea in south Wales. The western half in Wales is known officially as the Neath to Abergavenny Trunk Road, but the section fro ...

s; it diverges northwards away from the A465 up the

Dulais Valley The Dulais Valley, one of the South Wales Valleys, is traversed by the River Dulais in southwest Wales north of the town of Neath, Wales. Settlements in the valley include Crynant, Seven Sisters, Banwen, and Dyffryn Cellwen, which are serv ...

and crosses through the settlements of

Crynant Crynant () is a village and community in the Dulais Valley in Wales. It lies 7¾ miles north-east from the town of Neath in Neath Port Talbot, situated between the mountains of Mynydd Marchywel to the west, Hirfynydd to the east and Mynydd y ...

, Ynysfforch, Seven Sisters,

Onllwyn Onllwyn () is a small village and Community (Wales), community in Neath Port Talbot, Wales, near Seven Sisters, Neath Port Talbot, Seven Sisters. The community area also covers the small settlements of Dyffryn Cellwen and Banwen. To the north is ...

Dyffryn Cellwen Dyffryn Cellwen is a village in the County Borough of Neath Port Talbot, South Wales. It is situated in the upper Dulais Valley near the junction of the A4109 and A4221 roads, northwest of the smaller settlement of Banwen. It is part of the co ...

and

Banwen Banwen is a small village in Neath Port Talbot county borough (NPT) in Wales. Banwen is part of the community of Onllwyn along with the village of Onllwyn itself and the adjacent parish of Dyffryn Cellwen. Banwen is in the Upper Dulais Valley ...

where it has a junction with the A4221. The road then continues in a southeasterly direction along the Inter Valley Road to Glynneath where it again connects with the

A465 The A465 is a trunk road that runs from Bromyard in Herefordshire, England to Llandarcy near Swansea in south Wales. The western half in Wales is known officially as the Neath to Abergavenny Trunk Road, but the section from Abergavenny to the ...

Accidents

Welsh rugby international Elli Norkett was killed in an accident on this road in 2017.Welsh rugby international Elli Norkett killed in car crash
itv.com

References

{{DEFAULTSORT:4-4109 Roads in Wales Transport in Neath Port Talbot Dulais Valley