Friday, 23 May 2014

X4: Cardiff - Abergavenny (- Hereford X3)

UPDATED 20th November 2019

The X4 connects the capital of Wales with foodlovers' paradise Abergavenny, passing through part of the Brecon Beacons National Park on the way. It's operated by Stagecoach and runs every 30 mins between Cardiff and Brynmawr, hourly to Abergavenny Mon-Sat daytimes. It also used to continue to Hereford once every 2 hours, but that section has now been transferred to Stagecoach X3Click here to discover other bus routes in Wales and here for other routes in the Midlands.

Places served

The X4 starts from Philharmonic stop JP on St Mary Street, near to Cardiff Central railway station:

Next stop is Cardiff Castle stop KA on Castle Street:

Followed by Kingsway stop GC on North Road:

If there's an event on in the city centre resulting in road closures, then stop GN on Greyfriars Road is the X4's backup stop.

There is tons to see and do in Cardiff. Follow these links for some ideas:
Visit Cardiff
St Fagans National History Museum
Principality Stadium
Wales Millennium Centre
National Museum Cardiff
Cardiff Museum
St David's Shopping Centre
Capitol Shopping Centre
Queens Arcade
Morgan Quarter
Long Distance Footpath: The Taff Trail

Here, the X4 is in express mode stopping only at the bus station, using stand 10 towards Abergavenny and stand 11 towards Cardiff:

Here are some ideas of things to see and do in Pontypridd:
Visit Pontypridd
Pontypridd Museum
Long Distance Footpath: Taff Trail

The X4 stops at the bus station, using stand 16 towards Abergavenny and stand 15 towards Cardiff:

Try these links for ideas of things to do in Merthyr Tydfil:
Visit Merthyr
Cyfarthfa Park & Castle
Brecon Mountain Railway (use Stagecoach 35 from stand 8 at the bus station to Pant Cemetery)
Theatr Soar
Long Distance Footpath: Taff Trail

The X4 stops opposite Lidl towards Abergavenny and outside Lidl towards Cardiff:

The National Health Service was first conceived here in Tredegar. You can discover more of this town's remarkable significance to the whole UK at Bedwellty:
Bedwellty House & Park
Supermarket: Lidl Tredegar

The X4 stops in Ebbw Vale on the Inner Bypass in the town centre: stop 3 to Abergavenny and stop 6 to Cardiff:

The X4 calls in to Brynmawr Bus Station, stand 2 in both directions:

Why not stop off in Brynmawr and visit the museum?:
Brynmawr & District Museum
Market Hall Cinema

Buses in both directions stop by the Post Office, buses to Abergavenny on the right and buses to Cardiff on the left:

If you fancy a meal and/or a drink in a charming 17th century coaching inn, then alight here for the Beaufort Arms.
The Beaufort Arms

Buses to Cardiff stop at Cendl-Newydd on the right and buses to Abergavenny stop at Govilon House on the left on the B4246:

Head down Station Road from the bus stops to explore the Monmouthshire & Brecon Canal

Buses back to Cardiff use stand 3 at Abergavenny Bus Station:

The X4 now terminates here, but some journeys used to continue on to Hereford. That section of route is now covered by route X3, with which we now resume our journey from stand 2.

But first, here's what there is to see and do in Abergavenny:
Visit Abergavenny
Abergavenny Tourism
St Mary's Priory
Abergavenny Museum
Supermarket: Aldi Abergavenny near the bus station
Long Distance Footpath: The Beacons Way

Buses in both directions stop outside one of the oldest pubs in the world: the Skirrid Mountain Inn is about a thousand years old. Buses to Hereford stop adjacent to the pub, buses to Cardiff stop opposite, where the kerb is raised:

Skirrid Mountain Inn
Long Distance Footpath: The Beacons Way

Our final village in Wales, Pandy's main bus stops are near the Pandy Inn on the A465. Buses towards Hereford stop here:

...and buses towards Cardiff stop over the road here:

The Old Pandy Inn itself has mixed reviews.

Two stops south, at Lancaster Arms is your access to Offa's Dyke Path.

We're in England now. Buses stop in both directions here at the old Post Office. Buses towards Hereford adjacent and buses towards Cardiff opposite the old Post Office:

Long Distance Footpath: Herefordshire Trail

Buses towards Cardiff start from stand 7 at Hereford's Country Bus Station:

They also call at stand 3 on Maylord Orchards, nearer the shops:

Here are some ideas of what to do in Hereford:
Visit Hereford
Hereford Cathedral
Mappa Mundi
Hereford Museums
Maylord Shopping Centre
Supermarket: Morrisons Hereford near the bus station
Long Distance Footpath: Wye Valley Walk
Long Distance Footpath: Three Choirs Way


See the full timetable on Stagecoach's website, at Bus Times or Traveline. The latter two include a full listing of all stops served.

Here are you links for live scheduled departures from major stops towards Hereford:

...and back towards Cardiff:


The cheapest day ticket that is valid throughout route X4 is the Stagecoach South Wales All Zones Dayrider at £8.70, which is valid on all routes operated by Stagecoach South Wales, with the exception of route T4 north of Felinfach.

If you need to connect with buses of other operators in South Wales, then the Network Rider at £9 for a day is valid on many (but not all) other operators. Cardiff Bus for example sell and accept this ticket, but First do not.

If you also want to use the train on the Valley Lines, then the Valley Lines Day Explorer is for you. It's valid on the trains including Cardiff to Merthyr Tydfil and Cardiff to Ebbw Vale Town, plus on all Stagecoach South Wales buses, except the T4 north of Felinfach. It costs £13 at the railway station or on the train and a bargain £11 on the bus.

If you're arriving in Hereford by train and are only making local journeys, then the Hereford Plusbus is valid on the X3 between the Country Bus Station and Haywood Turn only.


Here are your major bus connections from Cardiff:

Change at Pontypridd for Stagecoach 60/60A to Aberdare.

Change at Merthyr Tydfil for

Change at Tredegar for Stagecoach 56 to Newport. See a map of all Stagecoach routes in Blaenau Gwent here.

Change at Brynmawr for Stagecoach X15 towards Newport.

Change at Abergavenny for:
Stagecoach X3 to Pontypool and Cardiff
Stagecoach 43/X43 to Brecon
Phil Anslow/Stagecoach 83 to Monmouth

See maps of bus routes covering the whole of Herefordshire here. From Hereford, you can connect with the following services:

The X4 passes near to the following railway stations

Valley Lines rail map with the X4's route added in yellow.

Larger rail map omitting smaller stations showing the X4's route in yellow.


Stagecoach T4/T14 provide additional buses between Cardiff and Merthyr Tydfil, with the T14 providing an alternative route between Cardiff and Hereford via Hay-on-Wye. Stagecoach X3 provides an alternative route between Cardiff and Abergavenny, before running to Hereford on the bit of route that used to be covered by the X4.

From many points on the route, you can catch direct trains to/from Cardiff and other destinations. Transport for Wales operates most of the trains on these lines. You can easily look up rail fares here. Cardiff to Hereford by train costs £23.40 for an adult single or £24.10 for an off-peak (travel after 0930 and not between 1600 and 1830 weekdays, anytime weekends) day return.

All of the information in this post is correct at the time of writing, but please check the relevant links before travelling.

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