The average train between London and Mountain Ash takes 3h 8m and the fastest train takes 2h 43m. There is a train service every few hours from London to Mountain Ash. 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 London and Mountain Ash. The earliest departure is at 5:23 AM in the morning, and the last departure from London is at 10:49 PM which arrives into Mountain Ash at 7:02 AM. All services require a transfer, and take on average 3h 8m. The schedules shown below are for the next available departures.
Want to know about travelling from London to Mountain Ash? 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 Mountain Ash. However, there are services departing from London station and arriving at Mountain Ash station via Cardiff Central. The journey, including transfers, takes approximately 3h 8m.
London to Mountain Ash train services, operated by Great Western Railway (GWR), depart from London Paddington station.
London to Mountain Ash train services, operated by Great Western Railway (GWR), arrive at Mountain Ash station.
Book your London to Mountain Ash train tickets online with Great Western Railway (GWR) and Transport for Wales.
The distance between London and Mountain Ash is 225.3 km. The road distance is 263 km.
You can take a train from London Paddington to Mountain Ash via Cardiff Central in around 3h 13m.