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Duration 39 min
Distance 19.7 miles
Average price £19
Frequency 15/day

Trip overview

The average train between Cardiff and Mountain Ash takes 39 min and the fastest train takes 34 min. There is a train service every few hours from Cardiff 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.


  1. Cathays
  2. Mountain Ash
40 min
Bookable on Rome2rio
£15 - £22

Frequently asked questions

Want to know about travelling from Cardiff 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.

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Yes, there is a direct train departing from Cathays and arriving at Mountain Ash. Services depart hourly, and operate every day. The journey takes approximately 40 min.

More details

The distance between Cardiff and Mountain Ash is 16 miles. The road distance is 19.7 miles.

Get driving directions

Cardiff to Mountain Ash train services, operated by Transport for Wales, depart from Cathays station.

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Cardiff to Mountain Ash train services, operated by Transport for Wales, arrive at Mountain Ash station.

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Book your Cardiff to Mountain Ash train tickets online with Omio.

Search and book

There are 133+ hotels available in Mountain Ash. Prices start at £75 per night.

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What companies run services between Cardiff and Mountain Ash?

Transport for Wales operates a train from Cathays to Mountain Ash hourly. Tickets cost £15 - £22 and the journey takes 40 min.
Train operators

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