T4 bus: Brecon – Merthyr Tydfil

Celtic Travel bus T4 runs between Merthyr Tydfil and Llanidloes via Georgetown, Glyn Tarell, Libanus and Brecon. Runs every day. On Monday 2 November the first bus from Brecon leaves at 06:20 and the last at 23:18, about every hour during the day.

Operated by Celtic Travel. Timetable for Monday, 2 November 2026. Plan a journey · Print this timetable

Questions

When is the first and last T4 bus from Llanidloes to Merthyr Tydfil?
On Monday 2 November the first bus leaves Llanidloes at 06:00 and the last at 20:15, 16 journeys in all.
When is the first and last T4 bus from Merthyr Tydfil to Llanidloes?
On Monday 2 November the first bus leaves Merthyr Tydfil at 06:20 and the last at 23:18, 17 journeys in all.
Does the T4 bus run on Sundays?
Yes. Runs every day.
How often does the T4 bus run?
On Monday 2 November it runs about every hour during the day (09:00 to 15:00), 17 journeys from Brecon.
Where does the T4 bus stop?
Main stops from Merthyr Tydfil to Llanidloes: Merthyr Bus Station 13 (Merthyr Tydfil), Merthyr Bus Station 2 (Merthyr Tydfil), Cyfarthfa Retail Park (Georgetown), Storey Arms (Glyn Tarell), Libanus (Libanus), Brecon Interchange 2 (Brecon), Brecon College (Brecon), Griffin Inn (Felinfach), Griffin Inn (Llyswen), Boughrood Village (Boughrood), Erwood Inn (Erwood), Groe (Builth Wells), St Matthew`s Church (Llanelwedd), Sunny Haven Park (Crossway) and more. The full list is in the timetable below.
Who runs the T4 bus?
Celtic Travel.

Newtown to Merthyr Tydfil

StopJourney 1Journey 2Journey 3Journey 4Journey 5Journey 6Journey 7Journey 8Journey 9Journey 10Journey 11Journey 12Journey 13Journey 14Journey 15Journey 16
Millennium Garden, Llanidloes06:0006:05
Newtown Bus Station Stand 206:3508:3510:0512:0514:0516:0518:0520:15
Dolfor Church06:4908:4910:1912:1914:1916:1918:1920:29
New Inn, Llanbadarn Fynydd07:0109:0110:3112:3114:3116:3118:3120:41
Lion Hotel, Llanbister07:0709:0710:3712:3714:3716:3718:3720:47
Ithon View, Llanddewi Ystradenny07:1209:1210:4212:4214:4216:4218:4220:52
Penybryn, Crossgates07:1909:1910:4912:4914:4916:4918:4920:59
Llandrindod Wells Interchange Stand 307:3009:3011:0013:0015:0017:0019:0021:10
Sunny Haven Park, Crossway07:3709:3711:0713:0715:0717:0719:0721:17
St Matthew`s Church, Llanelwedd07:4409:4411:1413:1415:1417:1419:1421:24
Groe, Builth Wells06:4407:5109:5111:2113:2115:2117:2119:2121:31
Post Office, Erwood06:5708:0310:0311:3313:3315:3317:3319:3321:43
Boughrood Village08:1010:1011:4013:4015:4017:4019:4021:50
Griffin Inn, Llyswen07:0408:1410:1411:4413:4415:4417:4419:4421:54
Griffin Inn, Felinfach08:2310:2311:5313:5315:5317:5319:5322:03
Brecon College07:1608:3010:3012:0014:0016:0018:0020:0022:10
Brecon Interchange 106:2407:2408:3909:3910:3511:0912:0913:0914:0915:0916:0917:1418:1420:0320:1422:19
Libanus06:3507:3508:5009:5010:4611:2012:2013:2014:2015:2016:2017:2518:2520:2522:30
Storey Arms, Glyn Tarell06:4107:4108:5609:5610:5211:2612:2613:2614:2615:2616:2617:3118:3120:3122:36
Cyfarthfa Retail Park, Georgetown06:5607:5609:1110:1111:0711:4112:4113:4114:4115:4116:4117:4618:4620:4622:51
Merthyr Bus Station 13, Merthyr Tydfil18:4920:4922:54
Merthyr Bus Station 7, Merthyr Tydfil06:5907:5909:1410:1411:1011:4412:4413:4414:4415:4416:4417:49

Merthyr Tydfil to Brecon

StopJourney 1Journey 2Journey 3Journey 4Journey 5Journey 6Journey 7Journey 8Journey 9Journey 10Journey 11Journey 12Journey 13Journey 14Journey 15Journey 16Journey 17
Merthyr Bus Station 13, Merthyr Tydfil19:1821:1823:18
Merthyr Bus Station 2, Merthyr Tydfil07:0908:0409:1810:1811:1812:1813:1814:1815:1816:1817:1818:18
Cyfarthfa Retail Park, Georgetown07:1308:0809:2210:2211:2212:2213:2214:2215:2216:2217:2218:2219:2221:2223:22
Storey Arms, Glyn Tarell07:2808:2309:3710:3711:3712:3713:3714:3715:3716:3717:3718:3719:3721:3723:37
Libanus07:3408:2909:4310:4311:4312:4313:4314:4315:4316:4317:4318:4319:4321:4323:43
Brecon Interchange 206:2007:5108:4110:0010:5512:0012:5514:0014:5516:0016:5518:1018:5819:5520:1021:5523:55
Brecon College06:2207:5310:0212:0214:0216:0218:1219:0020:12
Griffin Inn, Felinfach06:2908:0010:0912:0914:0916:0918:1920:19
Griffin Inn, Llyswen06:3708:0810:1712:1714:1716:1718:2719:1420:27
Boughrood Village06:3908:1010:1912:1914:1916:1918:2920:29
Erwood Inn06:4708:1810:2712:2714:2716:2718:3719:2120:37
Groe, Builth Wells07:0308:3910:4312:4314:4316:4318:5319:3420:53
St Matthew`s Church, Llanelwedd07:0608:4210:4612:4614:4616:4618:5620:56
Sunny Haven Park, Crossway07:1408:5010:5412:5414:5416:5419:0421:04
Llandrindod Wells Interchange Stand 207:3109:0611:0613:0615:0617:0619:1621:16
Penybryn, Crossgates07:3109:1211:1213:1215:1217:1219:2221:22
Ithon View, Llanddewi Ystradenny07:3709:1811:1813:1815:1817:1819:2821:28
Vicarage, Llanbister07:4309:2411:2413:2415:2417:2419:3421:34
New Inn, Llanbadarn Fynydd07:4909:3011:3013:3015:3017:3019:4021:40
Dolfor Church08:0109:4211:4213:4215:4217:4219:5221:52
Newtown Bus Station Stand 208:1409:5511:5513:5515:5517:5520:0522:05
Millennium Garden, Llanidloes20:1822:30

Places on this route

Timetables from the Bus Open Data Service (Department for Transport), updated Monday, 2 November 2026. Stop details from NaPTAN. Train timetables contain data from Network Rail, licensed under the Open Government Licence; live train times from National Rail. Times are UK local time and can change at short notice: check before you travel.

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