G4 bus: Nantlle – Caernarfon

Dilwyn's Coaches bus G4 runs between Nantlle and Caernarfon via Talysarn, Penygroes, Groeslon and Dolydd. Runs every day. On Monday 2 November the first bus from Penygroes leaves at 06:05 and the last at 18:14, about every hour during the day.

Operated by Dilwyn's Coaches. Timetable for Monday, 2 November 2026. Plan a journey · Print this timetable

Questions

When is the first and last G4 bus from Caernarfon to Nantlle?
On Monday 2 November the first bus leaves Caernarfon at 06:25 and the last at 17:40, 13 journeys in all.
When is the first and last G4 bus from Nantlle to Caernarfon?
On Monday 2 November the first bus leaves Nantlle at 06:05 and the last at 18:14, 14 journeys in all.
Does the G4 bus run on Sundays?
Yes. Runs every day.
How often does the G4 bus run?
On Monday 2 November it runs about every hour during the day (09:00 to 15:00), 14 journeys from Penygroes.
Where does the G4 bus stop?
Main stops from Nantlle to Caernarfon: Ysgol Baladeulyn (Nantlle), Bro Silyn (Talysarn), Cavour Street (Talysarn), Swyddfa'r Post Office (Talysarn), Gorsaf Heddlu (Penygroes), Co-op (Penygroes), Tafarn Pennionyn (Groeslon), Maen Coch (Dolydd), Bontnewydd Prif (Bontnewydd), Caernarfon Bus Station Stand A (Caernarfon). The full list is in the timetable below.
Who runs the G4 bus?
Dilwyn's Coaches.

Caernarfon to Nantlle

StopJourney 1Journey 2Journey 3Journey 4Journey 5Journey 6Journey 7Journey 8Journey 9Journey 10Journey 11Journey 12Journey 13
Caernarfon Bus Station Stand C06:2506:5007:4508:3509:2510:2511:2512:2513:2514:2515:1516:3017:40
Bontnewydd Prif06:3206:5707:5208:4209:3210:3211:3212:3213:3214:3215:2216:3717:47
Maen Coch, Dolydd06:3406:5907:5408:4409:3410:3411:3412:3413:3414:3415:2416:3917:49
Tafarn Pennionyn, Groeslon06:3707:0207:5708:4709:3710:3711:3712:3713:3714:3715:2716:4217:52
Gorsaf Heddlu, Penygroes06:4207:0708:0208:5209:4210:4211:4212:4213:4214:4215:3216:4717:57
Co-op, Penygroes06:4307:0808:0308:5309:4310:4311:4312:4313:4314:4315:3316:4817:58
Swyddfa'r Post Office, Talysarn06:4707:1208:0708:5709:4710:4711:4712:4713:4714:4715:3716:5218:02
Cavour Street, Talysarn06:4907:1408:0908:5909:4910:4911:4912:4913:4914:4915:3916:5418:04
Bro Silyn, Talysarn06:5207:1708:1209:0209:5210:5211:5212:5213:5214:5215:4216:5718:07
Ysgol Baladeulyn, Nantlle07:2308:1809:0809:5810:5811:5812:5813:5814:5815:4817:0318:13

Nantlle to Caernarfon

StopJourney 1Journey 2Journey 3Journey 4Journey 5Journey 6Journey 7Journey 8Journey 9Journey 10Journey 11Journey 12Journey 13Journey 14
Ysgol Baladeulyn, Nantlle07:2408:1909:0909:5910:5911:5912:5913:5914:5915:4917:0418:14
Bro Silyn, Talysarn06:5507:2908:2409:1410:0411:0412:0413:0414:0415:0415:5417:0918:19
Cavour Street, Talysarn06:5707:3108:2609:1610:0611:0612:0613:0614:0615:0615:5617:1118:21
Swyddfa'r Post Office, Talysarn07:0007:3408:2909:1910:0911:0912:0913:0914:0915:0915:5917:1418:24
Gorsaf Heddlu, Penygroes07:0607:4008:3509:2510:1511:1512:1513:1514:1515:1516:0517:2018:30
Co-op, Penygroes06:0507:0707:4108:3609:2610:1611:1612:1613:1614:1615:1616:0617:2118:31
Tafarn Pennionyn, Groeslon06:0907:1107:4508:4009:3010:2011:2012:2013:2014:2015:2016:1017:2518:35
Maen Coch, Dolydd06:1207:1407:4808:4309:3310:2311:2312:2313:2314:2315:2316:1317:2818:38
Bontnewydd Prif06:1407:1607:5008:4509:3510:2511:2512:2513:2514:2515:2516:1517:3018:40
Caernarfon Bus Station Stand A06:2407:2608:0008:5509:4510:3511:3512:3513:3514:3515:3516:2517:4018:50

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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