The bus between Porthmadog and Llanberis Interchange takes 1h 15m. The bus service runs several times per day from Porthmadog to Llanberis Interchange. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 3 hours between Porthmadog and Llanberis Interchange. The earliest departure is at 8:30 AM in the morning, and the last departure from Porthmadog is at 5:30 PM which arrives into Llanberis Interchange at 6:45 PM. All services require a transfer, and take on average 1h 15m. The schedules shown below are for the next available departures.

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Want to know about travelling from Porthmadog to Llanberis Interchange? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Porthmadog to Llanberis Interchange. However, there are services departing from Porthmadog station and arriving at Llanberis Interchange station via Pen-y-pass YHA. The journey, including transfers, takes approximately 1h 15m.
Porthmadog to Llanberis Interchange bus services, operated by Gwynfor Coaches, depart from Porthmadog Park Stand C station.
Porthmadog to Llanberis Interchange bus services, operated by Gwynfor Coaches, arrive at Llanberis Interchange station.
The distance between Porthmadog and Llanberis Interchange is 21.3 km. The road distance is 39 km.
You can take a bus from Porthmadog Park Stand C to Llanberis Interchange via Pen-y-pass YHA in around 1h 23m.