The A4069 is an A road which connects Llandovery

Llandovery

Llandovery is a market town in Carmarthenshire, Wales, lying on the River Tywi and the A40 road.The town is served by Llandovery railway station, where there is a park and ride to Llanelli and Shrewsbury via the Heart of Wales Line...

 with Gwaun-Cae-Gurwen

Gwaun-Cae-Gurwen

Gwaun-Cae-Gurwen is a village in Neath Port Talbot, south Wales. Gwaun-Cae-Gurwen is also a parish made up of the electoral wards of Gwaun-Cae-Gurwen and Lower Brynamman.-Location:...

 in Wales

Wales

Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

, UK

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

.

The route begins at the junction with the A474

A474 road

The A474 is a suburban main route in south Wales.Settlements served by the A474 include:*Briton Ferry*Neath*Neath Abbey*Cadoxton*Rhyddings*Fforest Goch*Rhos*Gellinudd*Pontardawe*Gelligron*Rhydyfro*Cwmgors*Gwaun-Cae-Gurwen*Glanamman*Ammanford...

 at the north of Gwaun-Cae-Gurwen, and travels through Lower Brynamman

Lower Brynamman

Lower Brynamman is village and an electoral ward of Neath Port Talbot county borough, Wales.The electoral ward of Lower Brynamman forms part of the parish of Gwaun-Cae-Gurwen. The ward consists of some or all of the settlements of Gwaun-Cae-Gurwen, Lower Brynamman and Tairgwaith in the...

 and Brynamman

Brynamman

Brynamman is a village sitting on the south facing side of the Black Mountain, part of the Brecon Beacons National Park. The village is split in two into Upper Brynamman and Lower Brynamman by the River Amman which also acts as the boundary between the counties of Carmarthenshire and Neath Port...

. The route then crosses over the Black Mountain

Black Mountain (range)

The Black Mountain is a mountain range in Mid and West Wales, straddling the county boundary between Carmarthenshire and Powys and forming the westernmost range of the Brecon Beacons National Park. Its highest point is Fan Brycheiniog at 802 metres or 2,631 ft. The Black Mountain also forms a part...

 range of the Brecon Beacons

Brecon Beacons

The Brecon Beacons is a mountain range in South Wales. In a narrow sense, the name refers to the range of popular peaks south of Brecon, including South Wales' highest mountain, Pen y Fan, and which together form the central section of the Brecon Beacons National Park...

 and emerges near Felindre near Llangadog. It crosses through Llangadog and then continues northeast until the junction with the A40

A40 road

The A40 is a major trunk road connecting London to Fishguard, Wales and officially called The London to Fishguard Trunk Road in all legal documents and Acts...

 at Llandovery

Llandovery

Llandovery is a market town in Carmarthenshire, Wales, lying on the River Tywi and the A40 road.The town is served by Llandovery railway station, where there is a park and ride to Llanelli and Shrewsbury via the Heart of Wales Line...

. It reaches a height of 493 m (1,617 ft) above sea level.