The average train between Cardiff and Tywyn takes 5h 4m and the fastest train takes 3h 53m. The train service runs several times per day from Cardiff to Tywyn. 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 Cardiff and Tywyn. The earliest departure is at 4:33 AM at night, and the last departure from Cardiff is at 10:15 PM which arrives into Tywyn at 10:28 AM. All services require a transfer at Shrewsbury and take an average of 5h 4m. The schedules shown below are for the next available departures.


4h 49m • 2 changes


4h 4m • 2 changes


3h 58m • 2 changes


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3h 58m • 2 changes


4h 1m • 2 changes


4h 36m • 2 changes


4h 34m • 2 changes


4h 42m • 2 changes


3h 57m • 2 changes


4h 49m • 2 changes


4h 4m • 2 changes


3h 58m • 2 changes


4h 1m • 2 changes


4h 49m • 2 changes


4h 4m • 2 changes


3h 58m • 2 changes


4h 1m • 2 changes


4h 49m • 2 changes


4h 4m • 2 changes


3h 58m • 2 changes


4h 1m • 2 changes
Want to know about travelling from Cardiff to Tywyn? 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 Cardiff to Tywyn. However, there are services departing from Cardiff station and arriving at Tywyn station via Shrewsbury. The journey, including transfers, takes approximately 5h 4m.
Cardiff to Tywyn train services, operated by Transport for Wales, depart from Cardiff Central station.
Cardiff to Tywyn train services, operated by Transport for Wales, arrive at Machynlleth station.
Book your Cardiff to Tywyn train tickets online with Transport for Wales.
The distance between Cardiff and Tywyn is 137.7 km. The road distance is 289 km.
You can take a train from Cardiff Central to Tywyn via Shrewsbury and Machynlleth in around 5h 41m.