Register data is published weekly by DVSA. Latest snapshot: 6 September 2026.
Registered local bus service
G4
Caernarfon to Nantlle
Via Penygroes, Talysarn
Run by Gwynfor Coaches on licence PG2003099.
Kind of service
Normal Stopping
Public subsidy
Part subsidised
Running since
15 May 2017
Current version from
8 January 2024
Where it runs
Registered with one transport authority. A service has to be registered with every authority whose area it runs through.
Other routes run by Gwynfor Coaches
- G10
Bethesda/ Coed Y Parc to Bethesda
Via Mynydd, Llandegai, Glasfryn, Caerhuw, Minffordd, Caernarfon rd Bangor
Normal StoppingPart subsidised
- S1
Caernarfon Bus Station to Caernarfon Bus Station
Via Caernarfon, llaberis, Pen Y Pass
Normal StoppingPart subsidised
- S2
Bangor Bus Station to Pen Y Pass
Via Llanberis
Normal StoppingPart subsidised
- S2 Sherpa
Llanberis Interchange to Llanberis Interchange
Via Nant Peris, Pen Y Pass, Pen Y Gurydi, Cael Curig, Betws Y Coed, Llanwrwst
Normal StoppingPart subsidised
- S3
Caernarfon Bus Station to Caernarfon Bus Station
Via Beddgelert, Llanrug, Waunfawr, Dinorwic
Normal StoppingPart subsidised
- S4
Porthmadog High Steet to Pen Y Pass
Via Porthmadog, Tremadog, Prenteg, Beddgelert, Pen Y Pass
Normal StoppingPart subsidised
Other operators in Gwynedd Council
- FF1
Dolgellau to Aberangell
Via Llanfachreth circular
Lloyds Coaches LimitedFlexible RegistrationSubsidised
- FF2
Machynlleth, Pentrehedyn St, to Aberllefenni
Via Pantparthog, Llangwern
Lloyds Coaches LimitedFlexible RegistrationSubsidised
- G1
Poolside Bus Station Caernarfon to Poolside Bus Station Caernarfon
Via Maes Barca
Dilwyn's Coaches LtdNormal Stopping · CircularSubsidised
- G2
Poolside Bus Station Caernarfon to Poolside Bus Station Caernarfon
Via Maesincla, Hendre
Dilwyn's Coaches LtdNormal Stopping · CircularSubsidised
- G21
Pentrehedyn Street, Machynlleth to High Street, Tywyn
Via Pennal, Cwrt, Penhelig, Aberdya
Lloyds Coaches LimitedNormal StoppingSubsidised
- G21
High Street, Tywyn to Eldon Square, Dolgellau
Via Bryncrug, Llyngwril, Fairbourne, Penmaenpool
Lloyds Coaches LimitedNormal StoppingSubsidised
What this record is
Registration PG2003099/13 is the permission to run this route, not a timetable. It records the start, the finish, the places between and who may run it. For departure times, ask the operator or the transport authority. To see what the licence behind it authorises overall, open the operator profile.