The average bus between Llanberis and Trefor takes 1h 14m and the fastest bus takes 1h 3m. The bus service runs several times per day from Llanberis to Trefor. 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 Llanberis and Trefor. The earliest departure is at 7:51 AM in the morning, and the last departure from Llanberis is at 7:51 PM which arrives into Trefor at 8:54 PM. All services require a transfer at Caernarfon Bus Station Stand B and take an average of 1h 14m. The schedules shown below are for the next available departures.

1h 13m • 1 change

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1h 8m • 1 change

1h 13m • 1 change

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1h 13m • 1 change
Want to know about travelling from Llanberis to Trefor? 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 Llanberis to Trefor. However, there are services departing from Llanberis station and arriving at Trefor station via Caernarfon Bus Station Stand B station. The journey, including transfers, takes approximately 1h 14m.
Llanberis to Trefor bus services, operated by Gwynfor Coaches, depart from Joe Brown station.
Llanberis to Trefor bus services, operated by Gwynfor Coaches, arrive at Crossroads station.
The distance between Llanberis and Trefor is 24.5 km. The road distance is 34 km.
You can take a bus from Joe Brown to Crossroads via Caernarfon Bus Station Stand B and Caernarfon Bus Station Stand C in around 1h 18m.