S4 bus: Porthmadog – Morfa Bychan
Gwynfor Coaches bus S4 runs between Morfa Bychan and Gwastadnant via Borth-y-Gest, Porthmadog, Tremadog and Prenteg. Runs every day. On Tuesday 3 November the first bus from Porthmadog leaves at 07:20 and the last at 18:42, about every 35 minutes during the day.
Operated by Gwynfor Coaches. Timetable for Tuesday, 3 November 2026. Plan a journey · Print this timetable
Questions
- When is the first and last S4 bus from Gwastadnant to Morfa Bychan?
- On Tuesday 3 November the first bus leaves Gwastadnant at 08:00 and the last at 18:32, 22 journeys in all.
- When is the first and last S4 bus from Morfa Bychan to Gwastadnant?
- On Tuesday 3 November the first bus leaves Morfa Bychan at 07:20 and the last at 18:42, 23 journeys in all.
- Does the S4 bus run on Sundays?
- Yes. Runs every day.
- How often does the S4 bus run?
- On Tuesday 3 November it runs about every 35 minutes during the day (09:00 to 15:00), 23 journeys from Porthmadog.
- Where does the S4 bus stop?
- Main stops from Morfa Bychan to Gwastadnant: Greenacres (Morfa Bychan), Capel Siloam (Morfa Bychan), Village Square (Borth-y-Gest), Porthmadog Park Stand C (Porthmadog), Market Square (Tremadog), Bryn Fynnon (Prenteg), Pont Croesor (Prenteg), Brondanw Arms (Garreg), Pont Aberglaslyn (Nantmor), Beddgelert B (Beddgelert), Bryn Gwynant (Nantgwynant), Pen-y-pass YHA (Gwastadnant). The full list is in the timetable below.
- Who runs the S4 bus?
- Gwynfor Coaches.
Porthmadog to Morfa Bychan
| Stop | Journey 1 | Journey 2 | Journey 3 | Journey 4 | Journey 5 | Journey 6 | Journey 7 | Journey 8 | Journey 9 | Journey 10 | Journey 11 | Journey 12 | Journey 13 | Journey 14 | Journey 15 | Journey 16 | Journey 17 | Journey 18 | Journey 19 | Journey 20 | Journey 21 | Journey 22 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pen-y-pass YHA, Gwastadnant | 09:32 | 11:32 | 13:32 | 15:32 | 18:32 | |||||||||||||||||
| Bryn Gwynant, Nantgwynant | 09:43 | 11:43 | 13:43 | 15:43 | 18:43 | |||||||||||||||||
| Beddgelert A | 08:00 | 10:00 | 12:00 | 14:00 | 16:00 | 17:00 | 19:00 | |||||||||||||||
| Pont Aberglaslyn, Nantmor | 08:04 | 10:04 | 12:04 | 14:04 | 16:04 | 17:04 | 19:04 | |||||||||||||||
| Brondanw Arms, Garreg | 08:12 | 10:12 | 12:12 | 14:12 | 16:12 | 17:12 | 19:12 | |||||||||||||||
| Pont Croesor, Prenteg | 08:14 | 10:14 | 12:14 | 14:14 | 16:14 | 17:14 | 19:14 | |||||||||||||||
| Tan y Bryn, Prenteg | 08:16 | 10:16 | 12:16 | 14:16 | 16:16 | 17:16 | 19:16 | |||||||||||||||
| Market Square, Tremadog | 08:19 | 10:19 | 12:19 | 14:19 | 16:19 | 17:19 | 19:19 | |||||||||||||||
| Porthmadog Park Stand C | 08:00 | 08:30 | 09:00 | 09:30 | 10:00 | 10:30 | 11:00 | 12:00 | 12:30 | 13:00 | 13:30 | 14:00 | 14:30 | 15:00 | 15:30 | 16:00 | 16:30 | 17:00 | 17:30 | 18:00 | 18:30 | 19:27 |
| Village Square, Borth-y-Gest | 08:34 | 09:34 | 10:34 | 12:34 | 13:34 | 14:34 | 15:34 | 16:34 | 17:34 | 18:34 | ||||||||||||
| Greenacres, Morfa Bychan | 08:07 | 08:40 | 09:07 | 09:40 | 10:07 | 10:40 | 11:07 | 12:07 | 12:40 | 13:07 | 13:40 | 14:07 | 14:40 | 15:07 | 15:40 | 16:07 | 16:40 | 17:07 | 17:40 | 18:07 | 18:40 | |
| Black Rock Sands, Morfa Bychan | 08:10 | 08:43 | 09:10 | 09:43 | 10:10 | 10:43 | 11:10 | 12:10 | 12:43 | 13:10 | 13:43 | 14:10 | 14:43 | 15:10 | 15:43 | 16:10 | 16:43 | 17:10 | 17:43 | 18:10 | 18:43 |
Morfa Bychan to Porthmadog
| Stop | Journey 1 | Journey 2 | Journey 3 | Journey 4 | Journey 5 | Journey 6 | Journey 7 | Journey 8 | Journey 9 | Journey 10 | Journey 11 | Journey 12 | Journey 13 | Journey 14 | Journey 15 | Journey 16 | Journey 17 | Journey 18 | Journey 19 | Journey 20 | Journey 21 | Journey 22 | Journey 23 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Greenacres, Morfa Bychan | 08:09 | 08:42 | 09:09 | 09:42 | 10:09 | 10:42 | 11:09 | 11:42 | 12:09 | 12:42 | 13:09 | 13:42 | 14:09 | 14:42 | 15:09 | 15:42 | 16:09 | 16:42 | 17:09 | 17:42 | 18:09 | 18:42 | |
| Capel Siloam, Morfa Bychan | 08:12 | 08:45 | 09:12 | 09:45 | 10:12 | 10:45 | 11:12 | 11:45 | 12:12 | 12:45 | 13:12 | 13:45 | 14:12 | 14:45 | 15:12 | 15:45 | 16:12 | 16:45 | 17:12 | 17:45 | 18:12 | 18:45 | |
| Village Square, Borth-y-Gest | 08:18 | 09:18 | 10:18 | 11:18 | 12:18 | 13:18 | 14:18 | 15:18 | 16:18 | 17:18 | 18:18 | ||||||||||||
| Porthmadog Park Stand C | 07:20 | 08:30 | 08:55 | 09:25 | 09:55 | 10:30 | 10:55 | 11:25 | 11:55 | 12:30 | 12:55 | 13:25 | 13:55 | 14:30 | 14:55 | 15:25 | 15:55 | 16:30 | 16:55 | 17:30 | 17:55 | 18:24 | 18:55 |
| Market Square, Tremadog | 07:25 | 08:35 | 10:35 | 12:35 | 14:35 | 16:35 | 17:35 | ||||||||||||||||
| Bryn Fynnon, Prenteg | 07:28 | 08:38 | 10:38 | 12:38 | 14:38 | 16:38 | 17:38 | ||||||||||||||||
| Pont Croesor, Prenteg | 07:30 | 08:40 | 10:40 | 12:40 | 14:40 | 16:40 | 17:40 | ||||||||||||||||
| Brondanw Arms, Garreg | 07:32 | 08:42 | 10:42 | 12:42 | 14:42 | 16:42 | 17:42 | ||||||||||||||||
| Pont Aberglaslyn, Nantmor | 07:40 | 08:50 | 10:50 | 12:50 | 14:50 | 16:50 | 17:50 | ||||||||||||||||
| Beddgelert B | 07:47 | 09:00 | 11:00 | 13:00 | 15:00 | 16:57 | 18:00 | ||||||||||||||||
| Bryn Gwynant, Nantgwynant | 09:08 | 11:08 | 13:08 | 15:08 | 18:08 | ||||||||||||||||||
| Pen-y-pass YHA, Gwastadnant | 09:23 | 11:23 | 13:23 | 15:23 | 18:23 |
Places on this route
Timetables from the Bus Open Data Service (Department for Transport), updated Tuesday, 3 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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