Swansea to Mountain Ash Trains

Swansea to Mountain Ash trains

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Trip Overview

The average train between Swansea and Mountain Ash takes 2h 9m and the fastest train takes 1h 48m. There is an hourly train service from Swansea 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.

2h 9m
Duration: 64 mi
Distance: £33
Average price: Hourly
Frequency

Train

best

Take the train from Swansea to Cardiff Centraltrain Swansea - Cardiff Central / ...
Take the train from Cardiff Central to Mountain Ashtrain Merthyr Tydfil - Aberdare / ...

2h 23m

£25–52

Swansea to Mountain Ash train times

Trains run hourly between Swansea and Mountain Ash. The earliest departure is at 4:59 AM at night, and the last departure from Swansea is at 10:36 PM which arrives into Mountain Ash at 9:33 AM. All services require a transfer, and take on average 2h 9m. The schedules shown below are for the next available departures.

Departing Saturday, August 15, 2026

2:23 PM → 4:32 PM
2h 9m • 1 change
2:53 PM → 5:02 PM
2h 9m • 1 change
3:28 PM → 5:32 PM
2h 4m • 1 change
3:52 PM → 6:02 PM
2h 10m • 1 change
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Departing Sunday, August 16, 2026

8:41 AM → 10:33 AM
1h 52m • 1 change
9:23 AM → 11:33 AM
2h 10m • 1 change
10:22 AM → 12:33 PM
2h 11m • 1 change
11:23 AM → 1:33 PM
2h 10m • 1 change
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Departing Monday, August 17, 2026

4:59 AM → 7:02 AM
2h 3m • 1 change
5:29 AM → 7:32 AM
2h 3m • 1 change
5:57 AM → 8:02 AM
2h 5m • 1 change
6:31 AM → 8:32 AM
2h 1m • 1 change
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Frequently asked questions

Want to know about travelling from Swansea 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.