Bus
Driving
Porthmadog to Caernarfon
Updated: 29 May 2026
The journey from Porthmadog to Caernarfon covers approximately 30 kilometers. By car, you will travel via the A487. Bus travel is also available. This journey takes you from the coastal town of Porthmadog to the historic town of Caernarfon. Expect a travel time of 45 minutes to 1 hour. The route offers a diverse look at the Welsh landscape.
Total Distance: 30 km driving distance; 25 km straight-line air distance.
Fastest Way
Driving is faster, taking under 45 minutes compared to 1 hour by bus.
Cheapest Way
Bus travel is generally more cost-effective for individuals.
Compare Porthmadog to Caernarfon Routes
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Direct
|
Direct
|
|
|---|---|---|
| Duration | 1 hour | 45 mins |
| Avg Price | 5-10 GBP | 5-10 GBP (fuel) |
| Operator | Lloyds Coaches | Personal Vehicle |
| Route | A487. | A487. |
| Tip | Check the bus timetable in advance. | The A487 can be very busy; drive with caution. |
Travel Tips
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Advance Bus TicketsBuy tickets in advance if possible.
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Traffic PlanningAvoid the A487 during peak holiday times.
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Caernarfon ParkingUse the castle car park for central access.
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Station FacilitiesCaernarfon has limited facilities.
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Weather PrepCheck weather forecasts for the Welsh mountains before driving.
Safety Tips
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Road SafetyKeep a safe distance on the A487, especially in heavy rain.
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Station AwarenessKeep your luggage secure at all times in busy stations.
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Night TravelIf arriving late, use licensed taxis or pre-booked minicabs.
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Emergency PrepKeep a power bank for your phone in case of travel delays.
People Also Ask
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Is there a direct bus?Yes, there are direct bus services.
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How long is the drive?Approximately 45 minutes.
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Are there tolls?No, there are no toll roads on this route.
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What is the best way to travel?Driving is generally more convenient for this distance.
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Is Caernarfon worth visiting?Yes, it is rich in history and culture.
Quick Info
- From Porthmadog, Wales, United Kingdom
- To Caernarfon, Wales, United Kingdom
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Modes
Best Time to Travel
Late spring for the best road conditions and daylight hours.
Things to Do in Caernarfon
1
Caernarfon Castle
Visit this historic castle and its grounds.
2
Segontium Roman Fort
Explore the Roman history of the town.
3
Caernarfon Quay
Enjoy the restaurants and bars along the quay.
4
Welsh Highland Railway
Take a ride on this historic railway.
Tags
Porthmadog to Caernarfon
bus to Caernarfon
driving to Caernarfon from Wales
UK travel
Caernarfon city guide
A487 travel
Wales travel
fastest route to Caernarfon
