The average train between London and Harlech Castle takes 7h 28m and the fastest train takes 5h 38m. The train service runs several times per day from London to Harlech Castle. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 4 hours between London and Harlech Castle. The earliest departure is at 6:16 AM in the morning, and the last departure from London is at 11:30 PM which arrives into Harlech Castle at 10:25 AM. All services require a transfer at Birmingham New Street and take an average of 7h 28m. The schedules shown below are for the next available departures.


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Want to know about travelling from London to Harlech Castle? 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 train from London to Harlech Castle. However, there are services departing from London station and arriving at Harlech Castle station via Birmingham New Street. The journey, including transfers, takes approximately 7h 28m.
London to Harlech Castle train services, operated by Avanti West Coast, depart from London Euston station.
London to Harlech Castle train services, operated by Avanti West Coast, arrive at Harlech station.
Book your London to Harlech Castle train tickets online with Avanti West Coast and Transport for Wales.
The distance between London and Harlech Castle is 310.3 km. The road distance is 404 km.
You can take a train from London Euston to Harlech Castle via Birmingham New Street, Machynlleth, and Harlech in around 7h 17m.