The average train between Llanharan and Treforest takes 1h 11m and the fastest train takes 50 min. There is an hourly train service from Llanharan to Treforest. 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 hourly between Llanharan and Treforest. The earliest departure is at 5:45 AM in the morning, and the last departure from Llanharan is at 10:43 PM which arrives into Treforest at 12:11 AM. All services require a transfer, and take on average 1h 11m. The schedules shown below are for the next available departures.

1h 10m • 1 change

1h 3m • 1 change

1h 10m • 1 change

1h 5m • 1 change

50 min • 1 change

1h 8m • 1 change

1h 2m • 1 change

1h 11m • 1 change

50 min • 1 change

1h 8m • 1 change

1h 2m • 1 change

1h 11m • 1 change
Want to know about travelling from Llanharan to Treforest? 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 Llanharan to Treforest. However, there are services departing from Llanharan station and arriving at Treforest station via Cardiff Central. The journey, including transfers, takes approximately 1h 11m.
Llanharan to Treforest train services, operated by Transport for Wales, depart from Llanharan station.
Llanharan to Treforest train services, operated by Transport for Wales, arrive at Trefforest station.
Book your Llanharan to Treforest train tickets online with Transport for Wales.
The distance between Llanharan and Treforest is 10 km. The road distance is 40 km.
You can take a train from Llanharan to Trefforest via Cardiff Central in around 52 min.